333 lines
14 KiB
LLVM
333 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: llc -mtriple=amdgcn-amdhsa -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefix=GCN %s
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; RUN: opt -S -si-annotate-control-flow -mtriple=amdgcn-amdhsa -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefix=SI-OPT %s
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define hidden void @widget() {
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; GCN-LABEL: widget:
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; GCN: ; %bb.0: ; %bb
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_or_saveexec_b64 s[4:5], -1
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; GCN-NEXT: buffer_store_dword v40, off, s[0:3], s32 ; 4-byte Folded Spill
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; GCN-NEXT: s_mov_b64 exec, s[4:5]
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; GCN-NEXT: v_writelane_b32 v40, s33, 2
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; GCN-NEXT: s_mov_b32 s33, s32
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; GCN-NEXT: s_add_u32 s32, s32, 0x400
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; GCN-NEXT: v_mov_b32_e32 v0, 0
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; GCN-NEXT: v_mov_b32_e32 v1, 0
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; GCN-NEXT: flat_load_dword v0, v[0:1]
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; GCN-NEXT: s_waitcnt vmcnt(0)
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; GCN-NEXT: v_cmp_gt_i32_e32 vcc, 21, v0
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; GCN-NEXT: s_and_b64 vcc, exec, vcc
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; GCN-NEXT: v_writelane_b32 v40, s30, 0
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; GCN-NEXT: v_writelane_b32 v40, s31, 1
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; GCN-NEXT: s_cbranch_vccz BB0_3
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; GCN-NEXT: ; %bb.1: ; %bb4
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; GCN-NEXT: v_cmp_ne_u32_e32 vcc, 9, v0
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; GCN-NEXT: s_and_b64 vcc, exec, vcc
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; GCN-NEXT: s_cbranch_vccnz BB0_4
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; GCN-NEXT: ; %bb.2: ; %bb7
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; GCN-NEXT: s_getpc_b64 s[4:5]
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; GCN-NEXT: s_add_u32 s4, s4, wibble@rel32@lo+4
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; GCN-NEXT: s_addc_u32 s5, s5, wibble@rel32@hi+12
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; GCN-NEXT: s_swappc_b64 s[30:31], s[4:5]
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; GCN-NEXT: s_branch BB0_7
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; GCN-NEXT: BB0_3: ; %bb2
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 21, v0
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; GCN-NEXT: s_and_b64 vcc, exec, vcc
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; GCN-NEXT: s_cbranch_vccnz BB0_6
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; GCN-NEXT: BB0_4: ; %bb9
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; GCN-NEXT: s_getpc_b64 s[4:5]
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; GCN-NEXT: s_add_u32 s4, s4, wibble@rel32@lo+4
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; GCN-NEXT: s_addc_u32 s5, s5, wibble@rel32@hi+12
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; GCN-NEXT: s_swappc_b64 s[30:31], s[4:5]
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; GCN-NEXT: v_cmp_lt_f32_e32 vcc, 0, v0
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; GCN-NEXT: s_and_saveexec_b64 s[4:5], vcc
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; GCN-NEXT: s_cbranch_execnz BB0_7
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; GCN-NEXT: ; %bb.5: ; %bb9.bb12_crit_edge
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; GCN-NEXT: s_or_b64 exec, exec, s[4:5]
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; GCN-NEXT: BB0_6: ; %bb12
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; GCN-NEXT: v_mov_b32_e32 v2, 0
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; GCN-NEXT: v_mov_b32_e32 v0, 0
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; GCN-NEXT: v_mov_b32_e32 v1, 0
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; GCN-NEXT: flat_store_dword v[0:1], v2
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; GCN-NEXT: BB0_7: ; %UnifiedReturnBlock
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; GCN-NEXT: v_readlane_b32 s4, v40, 0
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; GCN-NEXT: v_readlane_b32 s5, v40, 1
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; GCN-NEXT: s_sub_u32 s32, s32, 0x400
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; GCN-NEXT: v_readlane_b32 s33, v40, 2
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; GCN-NEXT: s_or_saveexec_b64 s[6:7], -1
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; GCN-NEXT: buffer_load_dword v40, off, s[0:3], s32 ; 4-byte Folded Reload
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; GCN-NEXT: s_mov_b64 exec, s[6:7]
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; GCN-NEXT: s_waitcnt vmcnt(0)
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; GCN-NEXT: s_setpc_b64 s[4:5]
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; SI-OPT-LABEL: @widget(
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; SI-OPT-NEXT: bb:
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; SI-OPT-NEXT: [[TMP:%.*]] = load i32, i32 addrspace(1)* null, align 16
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; SI-OPT-NEXT: [[TMP1:%.*]] = icmp slt i32 [[TMP]], 21
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; SI-OPT-NEXT: br i1 [[TMP1]], label [[BB4:%.*]], label [[BB2:%.*]]
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; SI-OPT: bb2:
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; SI-OPT-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP]], 21
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; SI-OPT-NEXT: br i1 [[TMP3]], label [[BB12:%.*]], label [[BB9:%.*]]
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; SI-OPT: bb4:
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; SI-OPT-NEXT: [[TMP5:%.*]] = icmp eq i32 [[TMP]], 9
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; SI-OPT-NEXT: br i1 [[TMP5]], label [[BB7:%.*]], label [[BB9]]
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; SI-OPT: bb6:
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; SI-OPT-NEXT: ret void
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; SI-OPT: bb7:
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; SI-OPT-NEXT: [[TMP8:%.*]] = call float @wibble()
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; SI-OPT-NEXT: ret void
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; SI-OPT: bb9:
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; SI-OPT-NEXT: [[TMP10:%.*]] = call float @wibble()
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; SI-OPT-NEXT: [[TMP11:%.*]] = fcmp nsz ogt float [[TMP10]], 0.000000e+00
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; SI-OPT-NEXT: [[TMP0:%.*]] = call { i1, i64 } @llvm.amdgcn.if.i64(i1 [[TMP11]])
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; SI-OPT-NEXT: [[TMP1:%.*]] = extractvalue { i1, i64 } [[TMP0]], 0
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; SI-OPT-NEXT: [[TMP2:%.*]] = extractvalue { i1, i64 } [[TMP0]], 1
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; SI-OPT-NEXT: br i1 [[TMP1]], label [[BB6:%.*]], label [[BB9_BB12_CRIT_EDGE:%.*]]
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; SI-OPT: bb9.bb12_crit_edge:
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; SI-OPT-NEXT: call void @llvm.amdgcn.end.cf.i64(i64 [[TMP2]])
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; SI-OPT-NEXT: br label [[BB12]]
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; SI-OPT: bb12:
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; SI-OPT-NEXT: store float 0.000000e+00, float addrspace(1)* null, align 8
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; SI-OPT-NEXT: ret void
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;
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bb:
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%tmp = load i32, i32 addrspace(1)* null, align 16
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%tmp1 = icmp slt i32 %tmp, 21
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br i1 %tmp1, label %bb4, label %bb2
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bb2: ; preds = %bb
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%tmp3 = icmp eq i32 %tmp, 21
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br i1 %tmp3, label %bb12, label %bb9
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bb4: ; preds = %bb
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%tmp5 = icmp eq i32 %tmp, 9
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br i1 %tmp5, label %bb7, label %bb9
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bb6: ; preds = %bb9
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ret void
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bb7: ; preds = %bb4
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%tmp8 = call float @wibble()
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ret void
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bb9: ; preds = %bb4, %bb2
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%tmp10 = call float @wibble()
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%tmp11 = fcmp nsz ogt float %tmp10, 0.000000e+00
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br i1 %tmp11, label %bb6, label %bb12
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bb12: ; preds = %bb9, %bb2
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store float 0.000000e+00, float addrspace(1)* null, align 8
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ret void
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}
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declare hidden float @wibble() local_unnamed_addr
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define hidden void @blam() {
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; SI-OPT-LABEL: @blam(
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; SI-OPT-NEXT: bb:
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; SI-OPT-NEXT: [[TMP:%.*]] = load float, float* null, align 16
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; SI-OPT-NEXT: br label [[BB2:%.*]]
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; SI-OPT: bb1:
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; SI-OPT-NEXT: br label [[BB2]]
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; SI-OPT: bb2:
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; SI-OPT-NEXT: [[TID:%.*]] = call i32 @llvm.amdgcn.workitem.id.x()
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; SI-OPT-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32 addrspace(1)* null, i32 [[TID]]
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; SI-OPT-NEXT: [[TMP3:%.*]] = load i32, i32 addrspace(1)* [[GEP]], align 16
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; SI-OPT-NEXT: store float 0.000000e+00, float addrspace(5)* null, align 8
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; SI-OPT-NEXT: br label [[BB4:%.*]]
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; SI-OPT: bb4:
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; SI-OPT-NEXT: [[TMP5:%.*]] = icmp slt i32 [[TMP3]], 3
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; SI-OPT-NEXT: [[TMP0:%.*]] = call { i1, i64 } @llvm.amdgcn.if.i64(i1 [[TMP5]])
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; SI-OPT-NEXT: [[TMP1:%.*]] = extractvalue { i1, i64 } [[TMP0]], 0
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; SI-OPT-NEXT: [[TMP2:%.*]] = extractvalue { i1, i64 } [[TMP0]], 1
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; SI-OPT-NEXT: br i1 [[TMP1]], label [[BB8:%.*]], label [[BB6:%.*]]
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; SI-OPT: bb6:
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; SI-OPT-NEXT: call void @llvm.amdgcn.end.cf.i64(i64 [[TMP2]])
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; SI-OPT-NEXT: [[TMP7:%.*]] = icmp eq i32 [[TMP3]], 3
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; SI-OPT-NEXT: br i1 [[TMP7]], label [[BB11:%.*]], label [[BB1:%.*]]
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; SI-OPT: bb8:
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; SI-OPT-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP3]], 1
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; SI-OPT-NEXT: [[TMP3:%.*]] = call { i1, i64 } @llvm.amdgcn.if.i64(i1 [[TMP9]])
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; SI-OPT-NEXT: [[TMP4:%.*]] = extractvalue { i1, i64 } [[TMP3]], 0
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; SI-OPT-NEXT: [[TMP5:%.*]] = extractvalue { i1, i64 } [[TMP3]], 1
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; SI-OPT-NEXT: br i1 [[TMP4]], label [[BB10:%.*]], label [[BB8_BB1_CRIT_EDGE:%.*]]
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; SI-OPT: bb8.bb1_crit_edge:
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; SI-OPT-NEXT: call void @llvm.amdgcn.end.cf.i64(i64 [[TMP5]])
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; SI-OPT-NEXT: br label [[BB1]]
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; SI-OPT: bb10:
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; SI-OPT-NEXT: store float 0x7FF8000000000000, float addrspace(5)* null, align 16
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; SI-OPT-NEXT: br label [[BB18:%.*]]
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; SI-OPT: bb11:
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; SI-OPT-NEXT: [[TMP12:%.*]] = call float @spam()
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; SI-OPT-NEXT: [[TMP13:%.*]] = fcmp nsz oeq float [[TMP12]], 0.000000e+00
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; SI-OPT-NEXT: [[TMP6:%.*]] = call { i1, i64 } @llvm.amdgcn.if.i64(i1 [[TMP13]])
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; SI-OPT-NEXT: [[TMP7:%.*]] = extractvalue { i1, i64 } [[TMP6]], 0
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; SI-OPT-NEXT: [[TMP8:%.*]] = extractvalue { i1, i64 } [[TMP6]], 1
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; SI-OPT-NEXT: br i1 [[TMP7]], label [[BB2]], label [[BB14:%.*]]
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; SI-OPT: bb14:
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; SI-OPT-NEXT: call void @llvm.amdgcn.end.cf.i64(i64 [[TMP8]])
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; SI-OPT-NEXT: [[TMP15:%.*]] = fcmp nsz oeq float [[TMP]], 0.000000e+00
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; SI-OPT-NEXT: [[TMP9:%.*]] = call { i1, i64 } @llvm.amdgcn.if.i64(i1 [[TMP15]])
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; SI-OPT-NEXT: [[TMP10:%.*]] = extractvalue { i1, i64 } [[TMP9]], 0
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; SI-OPT-NEXT: [[TMP11:%.*]] = extractvalue { i1, i64 } [[TMP9]], 1
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; SI-OPT-NEXT: br i1 [[TMP10]], label [[BB17:%.*]], label [[BB16:%.*]]
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; SI-OPT: bb16:
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; SI-OPT-NEXT: call void @llvm.amdgcn.end.cf.i64(i64 [[TMP11]])
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; SI-OPT-NEXT: store float 0x7FF8000000000000, float addrspace(5)* null, align 16
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; SI-OPT-NEXT: br label [[BB17]]
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; SI-OPT: bb17:
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; SI-OPT-NEXT: store float [[TMP]], float addrspace(5)* null, align 16
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; SI-OPT-NEXT: br label [[BB18]]
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; SI-OPT: bb18:
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; SI-OPT-NEXT: store float 0x7FF8000000000000, float addrspace(5)* null, align 4
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; SI-OPT-NEXT: br label [[BB2]]
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;
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; GCN-LABEL: blam:
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; GCN: ; %bb.0: ; %bb
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_or_saveexec_b64 s[4:5], -1
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; GCN-NEXT: buffer_store_dword v43, off, s[0:3], s32 offset:12 ; 4-byte Folded Spill
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; GCN-NEXT: s_mov_b64 exec, s[4:5]
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; GCN-NEXT: v_writelane_b32 v43, s33, 4
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; GCN-NEXT: s_mov_b32 s33, s32
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; GCN-NEXT: s_add_u32 s32, s32, 0x800
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; GCN-NEXT: buffer_store_dword v40, off, s[0:3], s33 offset:8 ; 4-byte Folded Spill
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; GCN-NEXT: buffer_store_dword v41, off, s[0:3], s33 offset:4 ; 4-byte Folded Spill
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; GCN-NEXT: buffer_store_dword v42, off, s[0:3], s33 ; 4-byte Folded Spill
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; GCN-NEXT: v_writelane_b32 v43, s34, 0
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; GCN-NEXT: v_writelane_b32 v43, s35, 1
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; GCN-NEXT: v_writelane_b32 v43, s36, 2
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; GCN-NEXT: v_writelane_b32 v43, s37, 3
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; GCN-NEXT: s_mov_b64 s[4:5], 0
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; GCN-NEXT: v_mov_b32_e32 v1, 0
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; GCN-NEXT: v_mov_b32_e32 v2, 0
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; GCN-NEXT: v_and_b32_e32 v0, 0x3ff, v0
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; GCN-NEXT: flat_load_dword v40, v[1:2]
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; GCN-NEXT: v_mov_b32_e32 v42, 0
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; GCN-NEXT: s_getpc_b64 s[36:37]
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; GCN-NEXT: s_add_u32 s36, s36, spam@rel32@lo+4
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; GCN-NEXT: s_addc_u32 s37, s37, spam@rel32@hi+12
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; GCN-NEXT: v_lshlrev_b32_e32 v41, 2, v0
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; GCN-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
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; GCN-NEXT: v_cmp_eq_f32_e64 s[34:35], 0, v40
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; GCN-NEXT: s_branch BB1_3
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; GCN-NEXT: BB1_1: ; %bb10
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; GCN-NEXT: ; in Loop: Header=BB1_3 Depth=1
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; GCN-NEXT: s_or_b64 exec, exec, s[6:7]
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; GCN-NEXT: v_mov_b32_e32 v0, 0x7fc00000
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; GCN-NEXT: buffer_store_dword v0, off, s[0:3], 0
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; GCN-NEXT: BB1_2: ; %bb18
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; GCN-NEXT: ; in Loop: Header=BB1_3 Depth=1
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; GCN-NEXT: v_mov_b32_e32 v0, 0x7fc00000
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; GCN-NEXT: s_mov_b64 s[4:5], 0
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; GCN-NEXT: buffer_store_dword v0, off, s[0:3], 0
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; GCN-NEXT: BB1_3: ; %bb2
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; GCN-NEXT: ; =>This Loop Header: Depth=1
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; GCN-NEXT: ; Child Loop BB1_4 Depth 2
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; GCN-NEXT: s_mov_b64 s[6:7], 0
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; GCN-NEXT: BB1_4: ; %bb2
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; GCN-NEXT: ; Parent Loop BB1_3 Depth=1
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; GCN-NEXT: ; => This Inner Loop Header: Depth=2
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; GCN-NEXT: flat_load_dword v0, v[41:42]
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; GCN-NEXT: v_mov_b32_e32 v1, 0
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; GCN-NEXT: buffer_store_dword v1, off, s[0:3], 0
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; GCN-NEXT: s_waitcnt vmcnt(1)
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; GCN-NEXT: v_cmp_gt_i32_e32 vcc, 3, v0
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; GCN-NEXT: s_and_saveexec_b64 s[8:9], vcc
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; GCN-NEXT: s_cbranch_execz BB1_6
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; GCN-NEXT: ; %bb.5: ; %bb8
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; GCN-NEXT: ; in Loop: Header=BB1_4 Depth=2
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 1, v0
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; GCN-NEXT: s_or_b64 s[6:7], vcc, s[6:7]
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; GCN-NEXT: s_mov_b64 s[4:5], 0
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; GCN-NEXT: s_andn2_b64 exec, exec, s[6:7]
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; GCN-NEXT: s_cbranch_execnz BB1_4
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; GCN-NEXT: s_branch BB1_1
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; GCN-NEXT: BB1_6: ; %bb6
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; GCN-NEXT: ; in Loop: Header=BB1_4 Depth=2
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; GCN-NEXT: s_or_b64 exec, exec, s[8:9]
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; GCN-NEXT: v_cmp_eq_u32_e32 vcc, 3, v0
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; GCN-NEXT: s_or_b64 s[4:5], vcc, s[4:5]
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; GCN-NEXT: s_mov_b64 s[6:7], 0
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; GCN-NEXT: s_andn2_b64 exec, exec, s[4:5]
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; GCN-NEXT: s_cbranch_execnz BB1_4
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; GCN-NEXT: ; %bb.7: ; %bb11
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; GCN-NEXT: ; in Loop: Header=BB1_4 Depth=2
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; GCN-NEXT: s_or_b64 exec, exec, s[4:5]
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; GCN-NEXT: s_swappc_b64 s[30:31], s[36:37]
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; GCN-NEXT: v_cmp_eq_f32_e32 vcc, 0, v0
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; GCN-NEXT: s_mov_b64 s[4:5], 0
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; GCN-NEXT: s_mov_b64 s[6:7], 0
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; GCN-NEXT: s_and_saveexec_b64 s[8:9], vcc
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; GCN-NEXT: s_cbranch_execnz BB1_4
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; GCN-NEXT: ; %bb.8: ; %bb14
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; GCN-NEXT: ; in Loop: Header=BB1_3 Depth=1
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; GCN-NEXT: s_or_b64 exec, exec, s[8:9]
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; GCN-NEXT: s_and_saveexec_b64 s[4:5], s[34:35]
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; GCN-NEXT: s_cbranch_execnz BB1_10
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; GCN-NEXT: ; %bb.9: ; %bb16
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; GCN-NEXT: ; in Loop: Header=BB1_3 Depth=1
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; GCN-NEXT: s_or_b64 exec, exec, s[4:5]
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; GCN-NEXT: v_mov_b32_e32 v0, 0x7fc00000
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; GCN-NEXT: buffer_store_dword v0, off, s[0:3], 0
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; GCN-NEXT: BB1_10: ; %bb17
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; GCN-NEXT: ; in Loop: Header=BB1_3 Depth=1
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; GCN-NEXT: buffer_store_dword v40, off, s[0:3], 0
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; GCN-NEXT: s_branch BB1_2
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bb:
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%tmp = load float, float* null, align 16
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br label %bb2
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bb1: ; preds = %bb8, %bb6
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br label %bb2
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bb2:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%gep = getelementptr inbounds i32, i32 addrspace(1)* null, i32 %tid
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%tmp3 = load i32, i32 addrspace(1)* %gep, align 16
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store float 0.000000e+00, float addrspace(5)* null, align 8
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br label %bb4
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bb4: ; preds = %bb2
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%tmp5 = icmp slt i32 %tmp3, 3
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br i1 %tmp5, label %bb8, label %bb6
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bb6: ; preds = %bb4
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%tmp7 = icmp eq i32 %tmp3, 3
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br i1 %tmp7, label %bb11, label %bb1
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bb8: ; preds = %bb4
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%tmp9 = icmp eq i32 %tmp3, 1
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br i1 %tmp9, label %bb10, label %bb1
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bb10: ; preds = %bb8
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store float 0x7FF8000000000000, float addrspace(5)* null, align 16
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br label %bb18
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bb11: ; preds = %bb6
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%tmp12 = call float @spam()
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%tmp13 = fcmp nsz oeq float %tmp12, 0.000000e+00
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br i1 %tmp13, label %bb2, label %bb14
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bb14: ; preds = %bb11
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%tmp15 = fcmp nsz oeq float %tmp, 0.000000e+00
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br i1 %tmp15, label %bb17, label %bb16
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bb16: ; preds = %bb14
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store float 0x7FF8000000000000, float addrspace(5)* null, align 16
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br label %bb17
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bb17: ; preds = %bb16, %bb14
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store float %tmp, float addrspace(5)* null, align 16
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|
br label %bb18
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bb18: ; preds = %bb17, %bb10
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store float 0x7FF8000000000000, float addrspace(5)* null, align 4
|
|
br label %bb2
|
|
}
|
|
|
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declare i32 @llvm.amdgcn.workitem.id.x()
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|
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declare hidden float @spam()
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