325 lines
13 KiB
LLVM
325 lines
13 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -sroa -S | FileCheck %s
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; RUN: opt < %s -passes=sroa -S | FileCheck %s
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target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64"
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declare void @llvm.memcpy.p0i8.p1i8.i32(i8* nocapture writeonly, i8 addrspace(1)* nocapture readonly, i32, i1 immarg) #0
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declare void @llvm.memcpy.p1i8.p0i8.i32(i8 addrspace(1)* nocapture writeonly, i8* nocapture readonly, i32, i1 immarg) #0
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define i64 @alloca_addrspacecast_bitcast(i64 %X) {
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; CHECK-LABEL: @alloca_addrspacecast_bitcast(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 [[X:%.*]]
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;
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entry:
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%A = alloca [8 x i8]
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%A.cast = addrspacecast [8 x i8]* %A to [8 x i8] addrspace(1)*
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%B = bitcast [8 x i8] addrspace(1)* %A.cast to i64 addrspace(1)*
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store i64 %X, i64 addrspace(1)* %B
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%Z = load i64, i64 addrspace(1)* %B
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ret i64 %Z
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}
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define i64 @alloca_bitcast_addrspacecast(i64 %X) {
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; CHECK-LABEL: @alloca_bitcast_addrspacecast(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 [[X:%.*]]
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;
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entry:
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%A = alloca [8 x i8]
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%A.cast = bitcast [8 x i8]* %A to i64*
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%B = addrspacecast i64* %A.cast to i64 addrspace(1)*
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store i64 %X, i64 addrspace(1)* %B
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%Z = load i64, i64 addrspace(1)* %B
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ret i64 %Z
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}
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define i64 @alloca_addrspacecast_gep(i64 %X) {
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; CHECK-LABEL: @alloca_addrspacecast_gep(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 [[X:%.*]]
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;
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entry:
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%A.as0 = alloca [256 x i8], align 4
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%gepA.as0 = getelementptr [256 x i8], [256 x i8]* %A.as0, i16 0, i16 32
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%gepA.as0.bc = bitcast i8* %gepA.as0 to i64*
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store i64 %X, i64* %gepA.as0.bc, align 4
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%A.as1 = addrspacecast [256 x i8]* %A.as0 to [256 x i8] addrspace(1)*
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%gepA.as1 = getelementptr [256 x i8], [256 x i8] addrspace(1)* %A.as1, i16 0, i16 32
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%gepA.as1.bc = bitcast i8 addrspace(1)* %gepA.as1 to i64 addrspace(1)*
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%Z = load i64, i64 addrspace(1)* %gepA.as1.bc, align 4
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ret i64 %Z
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}
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define i64 @alloca_gep_addrspacecast(i64 %X) {
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; CHECK-LABEL: @alloca_gep_addrspacecast(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 [[X:%.*]]
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;
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entry:
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%A.as0 = alloca [256 x i8], align 4
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%gepA.as0 = getelementptr [256 x i8], [256 x i8]* %A.as0, i16 0, i16 32
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%gepA.as0.bc = bitcast i8* %gepA.as0 to i64*
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store i64 %X, i64* %gepA.as0.bc, align 4
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%gepA.as1.bc = addrspacecast i64* %gepA.as0.bc to i64 addrspace(1)*
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%Z = load i64, i64 addrspace(1)* %gepA.as1.bc, align 4
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ret i64 %Z
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}
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define i64 @alloca_gep_addrspacecast_gep(i64 %X) {
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; CHECK-LABEL: @alloca_gep_addrspacecast_gep(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i64 [[X:%.*]]
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;
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entry:
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%A.as0 = alloca [256 x i8], align 4
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%gepA.as0 = getelementptr [256 x i8], [256 x i8]* %A.as0, i16 0, i16 32
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%gepA.as0.bc = bitcast i8* %gepA.as0 to i64*
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store i64 %X, i64* %gepA.as0.bc, align 4
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%gepB.as0 = getelementptr [256 x i8], [256 x i8]* %A.as0, i16 0, i16 16
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%gepB.as1 = addrspacecast i8* %gepB.as0 to i8 addrspace(1)*
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%gepC.as1 = getelementptr i8, i8 addrspace(1)* %gepB.as1, i16 16
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%gepC.as1.bc = bitcast i8 addrspace(1)* %gepC.as1 to i64 addrspace(1)*
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%Z = load i64, i64 addrspace(1)* %gepC.as1.bc, align 4
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ret i64 %Z
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}
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define i64 @getAdjustedPtr_addrspacecast_gep([32 x i8]* %x) {
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; CHECK-LABEL: @getAdjustedPtr_addrspacecast_gep(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CAST1:%.*]] = addrspacecast [32 x i8]* [[X:%.*]] to i8 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[CAST1]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_0_0_CAST1_SROA_CAST]], align 1
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; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_IDX:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[CAST1]], i16 8
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; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[A_SROA_2_0_CAST1_SROA_IDX]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_2_0_CAST1_SROA_CAST]], align 1
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; CHECK-NEXT: ret i64 [[A_SROA_0_0_COPYLOAD]]
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;
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entry:
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%a = alloca [32 x i8], align 8
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%cast1 = addrspacecast [32 x i8]* %x to i8 addrspace(1)*
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%cast2 = bitcast [32 x i8]* %a to i8*
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call void @llvm.memcpy.p0i8.p1i8.i32(i8* %cast2, i8 addrspace(1)* %cast1, i32 16, i1 false)
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%gep = getelementptr [32 x i8], [32 x i8]* %a, i32 0
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%gep.bitcast = bitcast [32 x i8]* %gep to i64*
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%val = load i64, i64* %gep.bitcast
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ret i64 %val
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}
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define i64 @getAdjustedPtr_gep_addrspacecast([32 x i8]* %x) {
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; CHECK-LABEL: @getAdjustedPtr_gep_addrspacecast(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[GEP_X:%.*]] = getelementptr [32 x i8], [32 x i8]* [[X:%.*]], i32 0, i32 16
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; CHECK-NEXT: [[CAST1:%.*]] = addrspacecast i8* [[GEP_X]] to i8 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[CAST1]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_0_0_CAST1_SROA_CAST]], align 1
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; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_IDX:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[CAST1]], i16 8
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; CHECK-NEXT: [[A_SROA_2_0_CAST1_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[A_SROA_2_0_CAST1_SROA_IDX]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_2_0_CAST1_SROA_CAST]], align 1
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; CHECK-NEXT: ret i64 [[A_SROA_0_0_COPYLOAD]]
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;
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entry:
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%a = alloca [32 x i8], align 8
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%gep.x = getelementptr [32 x i8], [32 x i8]* %x, i32 0, i32 16
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%cast1 = addrspacecast i8* %gep.x to i8 addrspace(1)*
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%cast2 = bitcast [32 x i8]* %a to i8*
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call void @llvm.memcpy.p0i8.p1i8.i32(i8* %cast2, i8 addrspace(1)* %cast1, i32 16, i1 false)
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%gep = getelementptr [32 x i8], [32 x i8]* %a, i32 0
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%gep.bitcast = bitcast [32 x i8]* %gep to i64*
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%val = load i64, i64* %gep.bitcast
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ret i64 %val
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}
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define i64 @getAdjustedPtr_gep_addrspacecast_gep([32 x i8]* %x) {
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; CHECK-LABEL: @getAdjustedPtr_gep_addrspacecast_gep(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[GEP0_X:%.*]] = getelementptr [32 x i8], [32 x i8]* [[X:%.*]], i32 0, i32 8
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; CHECK-NEXT: [[CAST1:%.*]] = addrspacecast i8* [[GEP0_X]] to i8 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_GEP1_X_SROA_IDX:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[CAST1]], i16 8
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; CHECK-NEXT: [[A_SROA_0_0_GEP1_X_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[A_SROA_0_0_GEP1_X_SROA_IDX]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_0_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_0_0_GEP1_X_SROA_CAST]], align 1
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; CHECK-NEXT: [[A_SROA_2_0_GEP1_X_SROA_IDX:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[CAST1]], i16 16
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; CHECK-NEXT: [[A_SROA_2_0_GEP1_X_SROA_CAST:%.*]] = bitcast i8 addrspace(1)* [[A_SROA_2_0_GEP1_X_SROA_IDX]] to i64 addrspace(1)*
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; CHECK-NEXT: [[A_SROA_2_0_COPYLOAD:%.*]] = load i64, i64 addrspace(1)* [[A_SROA_2_0_GEP1_X_SROA_CAST]], align 1
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; CHECK-NEXT: ret i64 [[A_SROA_0_0_COPYLOAD]]
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;
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entry:
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%a = alloca [32 x i8], align 8
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%gep0.x = getelementptr [32 x i8], [32 x i8]* %x, i32 0, i32 8
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%cast1 = addrspacecast i8* %gep0.x to i8 addrspace(1)*
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%gep1.x = getelementptr i8, i8 addrspace(1)* %cast1, i32 8
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%cast2 = bitcast [32 x i8]* %a to i8*
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call void @llvm.memcpy.p0i8.p1i8.i32(i8* %cast2, i8 addrspace(1)* %gep1.x, i32 16, i1 false)
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%gep = getelementptr [32 x i8], [32 x i8]* %a, i32 0
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%gep.bitcast = bitcast [32 x i8]* %gep to i64*
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%val = load i64, i64* %gep.bitcast
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ret i64 %val
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}
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; Don't change the address space of a volatile operation
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define i64 @alloca_addrspacecast_bitcast_volatile_store(i64 %X) {
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; CHECK-LABEL: @alloca_addrspacecast_bitcast_volatile_store(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca [8 x i8]
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; CHECK-NEXT: [[A_CAST:%.*]] = addrspacecast [8 x i8]* [[A]] to [8 x i8] addrspace(1)*
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; CHECK-NEXT: [[B:%.*]] = bitcast [8 x i8] addrspace(1)* [[A_CAST]] to i64 addrspace(1)*
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; CHECK-NEXT: store volatile i64 [[X:%.*]], i64 addrspace(1)* [[B]]
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; CHECK-NEXT: [[Z:%.*]] = load i64, i64 addrspace(1)* [[B]]
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; CHECK-NEXT: ret i64 [[Z]]
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;
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entry:
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%A = alloca [8 x i8]
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%A.cast = addrspacecast [8 x i8]* %A to [8 x i8] addrspace(1)*
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%B = bitcast [8 x i8] addrspace(1)* %A.cast to i64 addrspace(1)*
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store volatile i64 %X, i64 addrspace(1)* %B
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%Z = load i64, i64 addrspace(1)* %B
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ret i64 %Z
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}
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; Don't change the address space of a volatile operation
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define i64 @alloca_addrspacecast_bitcast_volatile_load(i64 %X) {
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; CHECK-LABEL: @alloca_addrspacecast_bitcast_volatile_load(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca [8 x i8]
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; CHECK-NEXT: [[A_CAST:%.*]] = addrspacecast [8 x i8]* [[A]] to [8 x i8] addrspace(1)*
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; CHECK-NEXT: [[B:%.*]] = bitcast [8 x i8] addrspace(1)* [[A_CAST]] to i64 addrspace(1)*
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; CHECK-NEXT: store i64 [[X:%.*]], i64 addrspace(1)* [[B]]
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; CHECK-NEXT: [[Z:%.*]] = load volatile i64, i64 addrspace(1)* [[B]]
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; CHECK-NEXT: ret i64 [[Z]]
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;
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entry:
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%A = alloca [8 x i8]
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%A.cast = addrspacecast [8 x i8]* %A to [8 x i8] addrspace(1)*
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%B = bitcast [8 x i8] addrspace(1)* %A.cast to i64 addrspace(1)*
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store i64 %X, i64 addrspace(1)* %B
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%Z = load volatile i64, i64 addrspace(1)* %B
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ret i64 %Z
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}
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declare void @llvm.memset.p1i8.i32(i8 addrspace(1)* nocapture, i8, i32, i1) nounwind
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; Don't change the address space of a volatile operation
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define i32 @volatile_memset() {
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; CHECK-LABEL: @volatile_memset(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca [4 x i8]
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; CHECK-NEXT: [[PTR:%.*]] = getelementptr [4 x i8], [4 x i8]* [[A]], i32 0, i32 0
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; CHECK-NEXT: [[ASC:%.*]] = addrspacecast i8* [[PTR]] to i8 addrspace(1)*
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; CHECK-NEXT: call void @llvm.memset.p1i8.i32(i8 addrspace(1)* [[ASC]], i8 42, i32 4, i1 true)
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; CHECK-NEXT: [[IPTR:%.*]] = bitcast i8* [[PTR]] to i32*
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; CHECK-NEXT: [[VAL:%.*]] = load i32, i32* [[IPTR]]
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; CHECK-NEXT: ret i32 [[VAL]]
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;
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entry:
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%a = alloca [4 x i8]
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%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 0
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%asc = addrspacecast i8* %ptr to i8 addrspace(1)*
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call void @llvm.memset.p1i8.i32(i8 addrspace(1)* %asc, i8 42, i32 4, i1 true)
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%iptr = bitcast i8* %ptr to i32*
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%val = load i32, i32* %iptr
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ret i32 %val
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}
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; Don't change the address space of a volatile operation
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define void @volatile_memcpy(i8* %src, i8* %dst) {
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; CHECK-LABEL: @volatile_memcpy(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[A:%.*]] = alloca [4 x i8]
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; CHECK-NEXT: [[PTR:%.*]] = getelementptr [4 x i8], [4 x i8]* [[A]], i32 0, i32 0
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; CHECK-NEXT: [[ASC:%.*]] = addrspacecast i8* [[PTR]] to i8 addrspace(1)*
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; CHECK-NEXT: call void @llvm.memcpy.p1i8.p0i8.i32(i8 addrspace(1)* [[ASC]], i8* [[SRC:%.*]], i32 4, i1 true), !tbaa !0
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; CHECK-NEXT: call void @llvm.memcpy.p0i8.p1i8.i32(i8* [[DST:%.*]], i8 addrspace(1)* [[ASC]], i32 4, i1 true), !tbaa !3
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; CHECK-NEXT: ret void
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;
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entry:
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%a = alloca [4 x i8]
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%ptr = getelementptr [4 x i8], [4 x i8]* %a, i32 0, i32 0
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%asc = addrspacecast i8* %ptr to i8 addrspace(1)*
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call void @llvm.memcpy.p1i8.p0i8.i32(i8 addrspace(1)* %asc, i8* %src, i32 4, i1 true), !tbaa !0
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||
|
|
call void @llvm.memcpy.p0i8.p1i8.i32(i8* %dst, i8 addrspace(1)* %asc, i32 4, i1 true), !tbaa !3
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @select_addrspacecast(i1 %a, i1 %b) {
|
||
|
|
; CHECK-LABEL: @select_addrspacecast(
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%c = alloca i64, align 8
|
||
|
|
%p.0.c = select i1 undef, i64* %c, i64* %c
|
||
|
|
%asc = addrspacecast i64* %p.0.c to i64 addrspace(1)*
|
||
|
|
|
||
|
|
%cond.in = select i1 undef, i64 addrspace(1)* %asc, i64 addrspace(1)* %asc
|
||
|
|
%cond = load i64, i64 addrspace(1)* %cond.in, align 8
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @select_addrspacecast_const_op(i1 %a, i1 %b) {
|
||
|
|
; CHECK-LABEL: @select_addrspacecast_const_op(
|
||
|
|
; CHECK-NEXT: [[C:%.*]] = alloca i64, align 8
|
||
|
|
; CHECK-NEXT: [[C_0_ASC_SROA_CAST:%.*]] = addrspacecast i64* [[C]] to i64 addrspace(1)*
|
||
|
|
; CHECK-NEXT: [[COND_IN:%.*]] = select i1 undef, i64 addrspace(1)* [[C_0_ASC_SROA_CAST]], i64 addrspace(1)* null
|
||
|
|
; CHECK-NEXT: [[COND:%.*]] = load i64, i64 addrspace(1)* [[COND_IN]], align 8
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%c = alloca i64, align 8
|
||
|
|
%p.0.c = select i1 undef, i64* %c, i64* %c
|
||
|
|
%asc = addrspacecast i64* %p.0.c to i64 addrspace(1)*
|
||
|
|
|
||
|
|
%cond.in = select i1 undef, i64 addrspace(1)* %asc, i64 addrspace(1)* null
|
||
|
|
%cond = load i64, i64 addrspace(1)* %cond.in, align 8
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
;; If this was external, we wouldn't be able to prove dereferenceability
|
||
|
|
;; of the location.
|
||
|
|
@gv = addrspace(1) global i64 zeroinitializer
|
||
|
|
|
||
|
|
define void @select_addrspacecast_gv(i1 %a, i1 %b) {
|
||
|
|
; CHECK-LABEL: @select_addrspacecast_gv(
|
||
|
|
; CHECK-NEXT: [[COND_SROA_SPECULATE_LOAD_FALSE:%.*]] = load i64, i64 addrspace(1)* @gv, align 8
|
||
|
|
; CHECK-NEXT: [[COND_SROA_SPECULATED:%.*]] = select i1 undef, i64 undef, i64 [[COND_SROA_SPECULATE_LOAD_FALSE]]
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%c = alloca i64, align 8
|
||
|
|
%p.0.c = select i1 undef, i64* %c, i64* %c
|
||
|
|
%asc = addrspacecast i64* %p.0.c to i64 addrspace(1)*
|
||
|
|
|
||
|
|
%cond.in = select i1 undef, i64 addrspace(1)* %asc, i64 addrspace(1)* @gv
|
||
|
|
%cond = load i64, i64 addrspace(1)* %cond.in, align 8
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define i8 @select_addrspacecast_i8() {
|
||
|
|
; CHECK-LABEL: @select_addrspacecast_i8(
|
||
|
|
; CHECK-NEXT: [[RET_SROA_SPECULATED:%.*]] = select i1 undef, i8 undef, i8 undef
|
||
|
|
; CHECK-NEXT: ret i8 [[RET_SROA_SPECULATED]]
|
||
|
|
;
|
||
|
|
%a = alloca i8
|
||
|
|
%b = alloca i8
|
||
|
|
|
||
|
|
%a.ptr = addrspacecast i8* %a to i8 addrspace(1)*
|
||
|
|
%b.ptr = addrspacecast i8* %b to i8 addrspace(1)*
|
||
|
|
|
||
|
|
%ptr = select i1 undef, i8 addrspace(1)* %a.ptr, i8 addrspace(1)* %b.ptr
|
||
|
|
%ret = load i8, i8 addrspace(1)* %ptr
|
||
|
|
ret i8 %ret
|
||
|
|
}
|
||
|
|
|
||
|
|
!0 = !{!1, !1, i64 0, i64 1}
|
||
|
|
!1 = !{!2, i64 1, !"type_0"}
|
||
|
|
!2 = !{!"root"}
|
||
|
|
!3 = !{!4, !4, i64 0, i64 1}
|
||
|
|
!4 = !{!2, i64 1, !"type_3"}
|