1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 3; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 4 5; This tests interaction between MergeICmp and ExpandMemCmp. 6 7%"struct.std::pair" = type { i32, i32 } 8 9define zeroext i1 @opeq1( 10; X86-LABEL: opeq1: 11; X86: # %bb.0: # %"entry+land.rhs.i" 12; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 13; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx 14; X86-NEXT: movl (%ecx), %edx 15; X86-NEXT: movl 4(%ecx), %ecx 16; X86-NEXT: xorl (%eax), %edx 17; X86-NEXT: xorl 4(%eax), %ecx 18; X86-NEXT: orl %edx, %ecx 19; X86-NEXT: sete %al 20; X86-NEXT: retl 21; 22; X64-LABEL: opeq1: 23; X64: # %bb.0: # %"entry+land.rhs.i" 24; X64-NEXT: movq (%rdi), %rax 25; X64-NEXT: cmpq (%rsi), %rax 26; X64-NEXT: sete %al 27; X64-NEXT: retq 28 ptr nocapture readonly dereferenceable(8) %a, 29 ptr nocapture readonly dereferenceable(8) %b) local_unnamed_addr nofree nosync { 30entry: 31 %0 = load i32, ptr %a, align 4 32 %1 = load i32, ptr %b, align 4 33 %cmp.i = icmp eq i32 %0, %1 34 br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit 35 36land.rhs.i: 37 %second.i = getelementptr inbounds %"struct.std::pair", ptr %a, i64 0, i32 1 38 %2 = load i32, ptr %second.i, align 4 39 %second2.i = getelementptr inbounds %"struct.std::pair", ptr %b, i64 0, i32 1 40 %3 = load i32, ptr %second2.i, align 4 41 %cmp3.i = icmp eq i32 %2, %3 42 br label %opeq1.exit 43 44opeq1.exit: 45 %4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ] 46 ret i1 %4 47} 48 49 50