41 lines
1.5 KiB
LLVM
41 lines
1.5 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=PPC64LE
|
||
|
|
|
||
|
|
; This tests interaction between MergeICmp and ExpandMemCmp.
|
||
|
|
|
||
|
|
%"struct.std::pair" = type { i32, i32 }
|
||
|
|
|
||
|
|
define zeroext i1 @opeq1(
|
||
|
|
; PPC64LE-LABEL: opeq1:
|
||
|
|
; PPC64LE: # %bb.0: # %"entry+land.rhs.i"
|
||
|
|
; PPC64LE-NEXT: ld 3, 0(3)
|
||
|
|
; PPC64LE-NEXT: ld 4, 0(4)
|
||
|
|
; PPC64LE-NEXT: xor 3, 3, 4
|
||
|
|
; PPC64LE-NEXT: cntlzd 3, 3
|
||
|
|
; PPC64LE-NEXT: rldicl 3, 3, 58, 63
|
||
|
|
; PPC64LE-NEXT: blr
|
||
|
|
%"struct.std::pair"* nocapture readonly dereferenceable(8) %a,
|
||
|
|
%"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 {
|
||
|
|
entry:
|
||
|
|
%first.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 0
|
||
|
|
%0 = load i32, i32* %first.i, align 4
|
||
|
|
%first1.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 0
|
||
|
|
%1 = load i32, i32* %first1.i, align 4
|
||
|
|
%cmp.i = icmp eq i32 %0, %1
|
||
|
|
br i1 %cmp.i, label %land.rhs.i, label %opeq1.exit
|
||
|
|
|
||
|
|
land.rhs.i:
|
||
|
|
%second.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %a, i64 0, i32 1
|
||
|
|
%2 = load i32, i32* %second.i, align 4
|
||
|
|
%second2.i = getelementptr inbounds %"struct.std::pair", %"struct.std::pair"* %b, i64 0, i32 1
|
||
|
|
%3 = load i32, i32* %second2.i, align 4
|
||
|
|
%cmp3.i = icmp eq i32 %2, %3
|
||
|
|
br label %opeq1.exit
|
||
|
|
|
||
|
|
opeq1.exit:
|
||
|
|
%4 = phi i1 [ false, %entry ], [ %cmp3.i, %land.rhs.i ]
|
||
|
|
ret i1 %4
|
||
|
|
}
|
||
|
|
|
||
|
|
|