xref: /llvm-project/llvm/test/CodeGen/PowerPC/aggressive-anti-dep-breaker-subreg.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; RUN: llc -verify-machineinstrs %s -mtriple=powerpc64-unknown-linux-gnu -O2 -o - -optimize-regalloc=false -regalloc=fast | FileCheck %s
2
3declare void @func(ptr, i64, i64)
4
5define void @test(ptr %context, ptr %elementArrayPtr, i32 %value) {
6entry:
7  %cmp = icmp eq i32 %value, 0
8  br i1 %cmp, label %lreturn, label %lnext
9
10lnext:
11  %elementArray = load ptr, ptr %elementArrayPtr, align 8
12; CHECK: lwz [[LDREG:[0-9]+]], 140(1)                   # 4-byte Folded Reload
13; CHECK: # implicit-def: $x[[TEMPREG:[0-9]+]]
14  %element = load i32, ptr %elementArray, align 4
15; CHECK: mr [[TEMPREG]], [[LDREG]]
16; CHECK: clrldi   4, [[TEMPREG]], 32
17  %element.ext = zext i32 %element to i64
18  %value.ext = zext i32 %value to i64
19  call void @func(ptr %context, i64 %value.ext, i64 %element.ext)
20  br label %lreturn
21
22lreturn:
23  ret void
24}
25