; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -show-mc-encoding | FileCheck %s @d = dso_local global i8 0, align 1 define dso_local i32 @test1(i32 %X, i32* %y) nounwind { ; CHECK-LABEL: test1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: cmpl $0, (%rsi) # encoding: [0x83,0x3e,0x00] ; CHECK-NEXT: je .LBB0_2 # encoding: [0x74,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB0_2-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %cond_true ; CHECK-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00] ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB0_2: # %ReturnBlock ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %tmp = load i32, i32* %y %tmp.upgrd.1 = icmp eq i32 %tmp, 0 br i1 %tmp.upgrd.1, label %ReturnBlock, label %cond_true cond_true: ret i32 1 ReturnBlock: ret i32 0 } define dso_local i32 @test2(i32 %X, i32* %y) nounwind { ; CHECK-LABEL: test2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testl $536870911, (%rsi) # encoding: [0xf7,0x06,0xff,0xff,0xff,0x1f] ; CHECK-NEXT: # imm = 0x1FFFFFFF ; CHECK-NEXT: je .LBB1_2 # encoding: [0x74,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB1_2-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %cond_true ; CHECK-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00] ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB1_2: # %ReturnBlock ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %tmp = load i32, i32* %y %tmp1 = shl i32 %tmp, 3 %tmp1.upgrd.2 = icmp eq i32 %tmp1, 0 br i1 %tmp1.upgrd.2, label %ReturnBlock, label %cond_true cond_true: ret i32 1 ReturnBlock: ret i32 0 } define dso_local i8 @test2b(i8 %X, i8* %y) nounwind { ; CHECK-LABEL: test2b: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testb $31, (%rsi) # encoding: [0xf6,0x06,0x1f] ; CHECK-NEXT: je .LBB2_2 # encoding: [0x74,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB2_2-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %cond_true ; CHECK-NEXT: movb $1, %al # encoding: [0xb0,0x01] ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB2_2: # %ReturnBlock ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %tmp = load i8, i8* %y %tmp1 = shl i8 %tmp, 3 %tmp1.upgrd.2 = icmp eq i8 %tmp1, 0 br i1 %tmp1.upgrd.2, label %ReturnBlock, label %cond_true cond_true: ret i8 1 ReturnBlock: ret i8 0 } define i64 @test3(i64 %x) nounwind { ; CHECK-LABEL: test3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: testq %rdi, %rdi # encoding: [0x48,0x85,0xff] ; CHECK-NEXT: sete %al # encoding: [0x0f,0x94,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %t = icmp eq i64 %x, 0 %r = zext i1 %t to i64 ret i64 %r } define i64 @test4(i64 %x) nounwind { ; CHECK-LABEL: test4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: testq %rdi, %rdi # encoding: [0x48,0x85,0xff] ; CHECK-NEXT: setle %al # encoding: [0x0f,0x9e,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %t = icmp slt i64 %x, 1 %r = zext i1 %t to i64 ret i64 %r } define dso_local i32 @test5(double %A) nounwind { ; CHECK-LABEL: test5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: ucomisd {{.*}}(%rip), %xmm0 # encoding: [0x66,0x0f,0x2e,0x05,A,A,A,A] ; CHECK-NEXT: # fixup A - offset: 4, value: {{\.LCPI.*}}-4, kind: reloc_riprel_4byte ; CHECK-NEXT: ja .LBB5_3 # encoding: [0x77,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB5_3-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %entry ; CHECK-NEXT: ucomisd {{.*}}(%rip), %xmm0 # encoding: [0x66,0x0f,0x2e,0x05,A,A,A,A] ; CHECK-NEXT: # fixup A - offset: 4, value: {{\.LCPI.*}}-4, kind: reloc_riprel_4byte ; CHECK-NEXT: jb .LBB5_3 # encoding: [0x72,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB5_3-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.2: # %bb12 ; CHECK-NEXT: movl $32, %eax # encoding: [0xb8,0x20,0x00,0x00,0x00] ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB5_3: # %bb8 ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: # encoding: [0xeb,A] ; CHECK-NEXT: # fixup A - offset: 1, value: foo-1, kind: FK_PCRel_1 entry: %tmp2 = fcmp ogt double %A, 1.500000e+02 %tmp5 = fcmp ult double %A, 7.500000e+01 %bothcond = or i1 %tmp2, %tmp5 br i1 %bothcond, label %bb8, label %bb12 bb8: %tmp9 = tail call i32 (...) @foo() nounwind ret i32 %tmp9 bb12: ret i32 32 } declare dso_local i32 @foo(...) define dso_local i32 @test6() nounwind align 2 { ; CHECK-LABEL: test6: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: cmpq $0, -{{[0-9]+}}(%rsp) # encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00] ; CHECK-NEXT: je .LBB6_1 # encoding: [0x74,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB6_1-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.2: # %F ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB6_1: # %T ; CHECK-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %A = alloca { i64, i64 }, align 8 %B = getelementptr inbounds { i64, i64 }, { i64, i64 }* %A, i64 0, i32 1 %C = load i64, i64* %B %D = icmp eq i64 %C, 0 br i1 %D, label %T, label %F T: ret i32 1 F: ret i32 0 } define dso_local i32 @test7(i64 %res) nounwind { ; CHECK-LABEL: test7: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: shrq $32, %rdi # encoding: [0x48,0xc1,0xef,0x20] ; CHECK-NEXT: sete %al # encoding: [0x0f,0x94,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lnot = icmp ult i64 %res, 4294967296 %lnot.ext = zext i1 %lnot to i32 ret i32 %lnot.ext } define dso_local i32 @test8(i64 %res) nounwind { ; CHECK-LABEL: test8: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: shrq $32, %rdi # encoding: [0x48,0xc1,0xef,0x20] ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: cmpl $3, %edi # encoding: [0x83,0xff,0x03] ; CHECK-NEXT: setb %al # encoding: [0x0f,0x92,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lnot = icmp ult i64 %res, 12884901888 %lnot.ext = zext i1 %lnot to i32 ret i32 %lnot.ext } define dso_local i32 @test9(i64 %res) nounwind { ; CHECK-LABEL: test9: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: shrq $33, %rdi # encoding: [0x48,0xc1,0xef,0x21] ; CHECK-NEXT: sete %al # encoding: [0x0f,0x94,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lnot = icmp ult i64 %res, 8589934592 %lnot.ext = zext i1 %lnot to i32 ret i32 %lnot.ext } define dso_local i32 @test10(i64 %res) nounwind { ; CHECK-LABEL: test10: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: shrq $32, %rdi # encoding: [0x48,0xc1,0xef,0x20] ; CHECK-NEXT: setne %al # encoding: [0x0f,0x95,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lnot = icmp uge i64 %res, 4294967296 %lnot.ext = zext i1 %lnot to i32 ret i32 %lnot.ext } define dso_local i32 @test11(i64 %l) nounwind { ; CHECK-LABEL: test11: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: shrq $47, %rdi # encoding: [0x48,0xc1,0xef,0x2f] ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: cmpl $1, %edi # encoding: [0x83,0xff,0x01] ; CHECK-NEXT: sete %al # encoding: [0x0f,0x94,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %shr.mask = and i64 %l, -140737488355328 %cmp = icmp eq i64 %shr.mask, 140737488355328 %conv = zext i1 %cmp to i32 ret i32 %conv } define dso_local i32 @test12() ssp uwtable { ; CHECK-LABEL: test12: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pushq %rax # encoding: [0x50] ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: callq test12b # encoding: [0xe8,A,A,A,A] ; CHECK-NEXT: # fixup A - offset: 1, value: test12b-4, kind: reloc_branch_4byte_pcrel ; CHECK-NEXT: testb %al, %al # encoding: [0x84,0xc0] ; CHECK-NEXT: je .LBB12_2 # encoding: [0x74,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB12_2-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %T ; CHECK-NEXT: movl $1, %eax # encoding: [0xb8,0x01,0x00,0x00,0x00] ; CHECK-NEXT: popq %rcx # encoding: [0x59] ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: retq # encoding: [0xc3] ; CHECK-NEXT: .LBB12_2: # %F ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: movl $2, %eax # encoding: [0xb8,0x02,0x00,0x00,0x00] ; CHECK-NEXT: popq %rcx # encoding: [0x59] ; CHECK-NEXT: .cfi_def_cfa_offset 8 ; CHECK-NEXT: retq # encoding: [0xc3] entry: %tmp1 = call zeroext i1 @test12b() br i1 %tmp1, label %T, label %F T: ret i32 1 F: ret i32 2 } declare dso_local zeroext i1 @test12b() define dso_local i32 @test13(i32 %mask, i32 %base, i32 %intra) { ; CHECK-LABEL: test13: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movl %esi, %eax # encoding: [0x89,0xf0] ; CHECK-NEXT: testb $8, %dil # encoding: [0x40,0xf6,0xc7,0x08] ; CHECK-NEXT: cmovnel %edx, %eax # encoding: [0x0f,0x45,0xc2] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %and = and i32 %mask, 8 %tobool = icmp ne i32 %and, 0 %cond = select i1 %tobool, i32 %intra, i32 %base ret i32 %cond } define dso_local i32 @test14(i32 %mask, i32 %base, i32 %intra) { ; CHECK-LABEL: test14: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movl %esi, %eax # encoding: [0x89,0xf0] ; CHECK-NEXT: shrl $7, %edi # encoding: [0xc1,0xef,0x07] ; CHECK-NEXT: cmovnsl %edx, %eax # encoding: [0x0f,0x49,0xc2] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %s = lshr i32 %mask, 7 %tobool = icmp sgt i32 %s, -1 %cond = select i1 %tobool, i32 %intra, i32 %base ret i32 %cond } ; PR19964 define zeroext i1 @test15(i32 %bf.load, i32 %n) { ; CHECK-LABEL: test15: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: shrl $16, %edi # encoding: [0xc1,0xef,0x10] ; CHECK-NEXT: sete %cl # encoding: [0x0f,0x94,0xc1] ; CHECK-NEXT: cmpl %esi, %edi # encoding: [0x39,0xf7] ; CHECK-NEXT: setae %al # encoding: [0x0f,0x93,0xc0] ; CHECK-NEXT: orb %cl, %al # encoding: [0x08,0xc8] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %bf.lshr = lshr i32 %bf.load, 16 %cmp2 = icmp eq i32 %bf.lshr, 0 %cmp5 = icmp uge i32 %bf.lshr, %n %.cmp5 = or i1 %cmp2, %cmp5 ret i1 %.cmp5 } define dso_local i8 @test16(i16 signext %L) { ; CHECK-LABEL: test16: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testw %di, %di # encoding: [0x66,0x85,0xff] ; CHECK-NEXT: setns %al # encoding: [0x0f,0x99,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lshr = lshr i16 %L, 15 %trunc = trunc i16 %lshr to i8 %not = xor i8 %trunc, 1 ret i8 %not } define dso_local i8 @test17(i32 %L) { ; CHECK-LABEL: test17: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testl %edi, %edi # encoding: [0x85,0xff] ; CHECK-NEXT: setns %al # encoding: [0x0f,0x99,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lshr = lshr i32 %L, 31 %trunc = trunc i32 %lshr to i8 %not = xor i8 %trunc, 1 ret i8 %not } define dso_local i8 @test18(i64 %L) { ; CHECK-LABEL: test18: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testq %rdi, %rdi # encoding: [0x48,0x85,0xff] ; CHECK-NEXT: setns %al # encoding: [0x0f,0x99,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lshr = lshr i64 %L, 63 %trunc = trunc i64 %lshr to i8 %not = xor i8 %trunc, 1 ret i8 %not } define zeroext i1 @test19(i32 %L) { ; CHECK-LABEL: test19: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testl %edi, %edi # encoding: [0x85,0xff] ; CHECK-NEXT: setns %al # encoding: [0x0f,0x99,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %lshr = lshr i32 %L, 31 %trunc = trunc i32 %lshr to i1 %not = xor i1 %trunc, true ret i1 %not } ; This test failed due to incorrect handling of "shift + icmp" sequence define dso_local void @test20(i32 %bf.load, i8 %x1, i8* %b_addr) { ; CHECK-LABEL: test20: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: testl $16777215, %edi # encoding: [0xf7,0xc7,0xff,0xff,0xff,0x00] ; CHECK-NEXT: # imm = 0xFFFFFF ; CHECK-NEXT: setne %al # encoding: [0x0f,0x95,0xc0] ; CHECK-NEXT: movzbl %sil, %ecx # encoding: [0x40,0x0f,0xb6,0xce] ; CHECK-NEXT: addl %eax, %ecx # encoding: [0x01,0xc1] ; CHECK-NEXT: setne (%rdx) # encoding: [0x0f,0x95,0x02] ; CHECK-NEXT: testl $16777215, %edi # encoding: [0xf7,0xc7,0xff,0xff,0xff,0x00] ; CHECK-NEXT: # imm = 0xFFFFFF ; CHECK-NEXT: setne {{.*}}(%rip) # encoding: [0x0f,0x95,0x05,A,A,A,A] ; CHECK-NEXT: # fixup A - offset: 3, value: d-4, kind: reloc_riprel_4byte ; CHECK-NEXT: retq # encoding: [0xc3] entry: %bf.shl = shl i32 %bf.load, 8 %bf.ashr = ashr exact i32 %bf.shl, 8 %tobool4 = icmp ne i32 %bf.ashr, 0 %conv = zext i1 %tobool4 to i32 %conv6 = zext i8 %x1 to i32 %add = add nuw nsw i32 %conv, %conv6 %tobool7 = icmp ne i32 %add, 0 %frombool = zext i1 %tobool7 to i8 store i8 %frombool, i8* %b_addr, align 1 %tobool14 = icmp ne i32 %bf.shl, 0 %frombool15 = zext i1 %tobool14 to i8 store i8 %frombool15, i8* @d, align 1 ret void } define dso_local i32 @test21(i64 %val) { ; CHECK-LABEL: test21: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: shrq $41, %rdi # encoding: [0x48,0xc1,0xef,0x29] ; CHECK-NEXT: setne %al # encoding: [0x0f,0x95,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %and = and i64 %val, -2199023255552 %cmp = icmp ne i64 %and, 0 %ret = zext i1 %cmp to i32 ret i32 %ret } ; AND-to-SHR transformation is enabled for eq/ne condition codes only. define dso_local i32 @test22(i64 %val) { ; CHECK-LABEL: test22: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %and = and i64 %val, -2199023255552 %cmp = icmp ult i64 %and, 0 %ret = zext i1 %cmp to i32 ret i32 %ret } define dso_local i32 @test23(i64 %val) { ; CHECK-LABEL: test23: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: testq $-1048576, %rdi # encoding: [0x48,0xf7,0xc7,0x00,0x00,0xf0,0xff] ; CHECK-NEXT: # imm = 0xFFF00000 ; CHECK-NEXT: setne %al # encoding: [0x0f,0x95,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %and = and i64 %val, -1048576 %cmp = icmp ne i64 %and, 0 %ret = zext i1 %cmp to i32 ret i32 %ret } define dso_local i32 @test24(i64 %val) { ; CHECK-LABEL: test24: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: shlq $16, %rdi # encoding: [0x48,0xc1,0xe7,0x10] ; CHECK-NEXT: setne %al # encoding: [0x0f,0x95,0xc0] ; CHECK-NEXT: retq # encoding: [0xc3] entry: %and = and i64 %val, 281474976710655 %cmp = icmp ne i64 %and, 0 %ret = zext i1 %cmp to i32 ret i32 %ret } define { i64, i64 } @pr39968(i64, i64, i32) { ; CHECK-LABEL: pr39968: ; CHECK: # %bb.0: ; CHECK-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; CHECK-NEXT: testb $64, %dl # encoding: [0xf6,0xc2,0x40] ; CHECK-NEXT: cmovneq %rdi, %rsi # encoding: [0x48,0x0f,0x45,0xf7] ; CHECK-NEXT: cmovneq %rdi, %rax # encoding: [0x48,0x0f,0x45,0xc7] ; CHECK-NEXT: movq %rsi, %rdx # encoding: [0x48,0x89,0xf2] ; CHECK-NEXT: retq # encoding: [0xc3] %4 = and i32 %2, 64 %5 = icmp ne i32 %4, 0 %6 = select i1 %5, i64 %0, i64 %1 %7 = select i1 %5, i64 %0, i64 0 %8 = insertvalue { i64, i64 } undef, i64 %7, 0 %9 = insertvalue { i64, i64 } %8, i64 %6, 1 ret { i64, i64 } %9 } ; Make sure we use a 32-bit comparison without an extend based on the input ; being pre-sign extended by caller. define dso_local i32 @pr42189(i16 signext %c) { ; CHECK-LABEL: pr42189: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: cmpl $32767, %edi # encoding: [0x81,0xff,0xff,0x7f,0x00,0x00] ; CHECK-NEXT: # imm = 0x7FFF ; CHECK-NEXT: jne .LBB26_2 # encoding: [0x75,A] ; CHECK-NEXT: # fixup A - offset: 1, value: .LBB26_2-1, kind: FK_PCRel_1 ; CHECK-NEXT: # %bb.1: # %if.then ; CHECK-NEXT: jmp g # TAILCALL ; CHECK-NEXT: # encoding: [0xeb,A] ; CHECK-NEXT: # fixup A - offset: 1, value: g-1, kind: FK_PCRel_1 ; CHECK-NEXT: .LBB26_2: # %if.end ; CHECK-NEXT: jmp f # TAILCALL ; CHECK-NEXT: # encoding: [0xeb,A] ; CHECK-NEXT: # fixup A - offset: 1, value: f-1, kind: FK_PCRel_1 entry: %cmp = icmp eq i16 %c, 32767 br i1 %cmp, label %if.then, label %if.end if.then: ; preds = %entry %call = tail call i32 @g() br label %return if.end: ; preds = %entry %call2 = tail call i32 @f() br label %return return: ; preds = %if.end, %if.then %retval.0 = phi i32 [ %call, %if.then ], [ %call2, %if.end ] ret i32 %retval.0 } declare dso_local i32 @g() declare dso_local i32 @f()