1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=X86 3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=X64 4 5 @var_580 = external local_unnamed_addr global i8, align 1 6 7 define void @foo() { 8 ; X86-LABEL: foo: 9 ; X86: # %bb.0: # %entry 10 ; X86-NEXT: movsbl var_580, %eax 11 ; X86-NEXT: testl $-536870913, %eax # imm = 0xDFFFFFFF 12 ; X86-NEXT: jne .LBB0_1 13 ; X86-NEXT: # %bb.2: # %if.end13 14 ; X86-NEXT: retl 15 ; X86-NEXT: .LBB0_1: # %if.then11 16 ; 17 ; X64-LABEL: foo: 18 ; X64: # %bb.0: # %entry 19 ; X64-NEXT: movsbl {{.*}}(%rip), %eax 20 ; X64-NEXT: testl $-536870913, %eax # imm = 0xDFFFFFFF 21 ; X64-NEXT: jne .LBB0_1 22 ; X64-NEXT: # %bb.2: # %if.end13 23 ; X64-NEXT: retq 24 ; X64-NEXT: .LBB0_1: # %if.then11 25 entry: 26 %tmp = icmp ugt i8 undef, 60 27 %phitmp = zext i1 %tmp to i16 28 br label %if.end 29 30 if.end: 31 %tmp1 = load i8, i8* @var_580, align 1 32 %conv7 = sext i8 %tmp1 to i32 33 %conv8 = zext i16 %phitmp to i32 34 %mul = shl nuw nsw i32 %conv8, 1 35 %div9 = udiv i32 %mul, 71 36 %sub = add nsw i32 %div9, -3 37 %shl = shl i32 1, %sub 38 %neg = xor i32 %shl, -1 39 %and = and i32 %neg, %conv7 40 %tobool10 = icmp eq i32 %and, 0 41 br i1 %tobool10, label %if.end13, label %if.then11 42 43 if.then11: 44 unreachable 45 46 if.end13: 47 ret void 48 } 49
