xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/aggressive-anti-dep-breaker-subreg.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc %s -mtriple=powerpc64-unknown-linux-gnu -O2 -o - -optimize-regalloc=false -regalloc=fast | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare void @func(i8*, i64, i64)
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @test(i8* %context, i32** %elementArrayPtr, i32 %value) {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %value, 0
8*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %lreturn, label %lnext
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerlnext:
11*9880d681SAndroid Build Coastguard Worker  %elementArray = load i32*, i32** %elementArrayPtr, align 8
12*9880d681SAndroid Build Coastguard Worker; CHECK: lwz [[LDREG:[0-9]+]], 124(1)                   # 4-byte Folded Reload
13*9880d681SAndroid Build Coastguard Worker; CHECK: # implicit-def: %X[[TEMPREG:[0-9]+]]
14*9880d681SAndroid Build Coastguard Worker  %element = load i32, i32* %elementArray, align 4
15*9880d681SAndroid Build Coastguard Worker; CHECK: mr [[TEMPREG]], [[LDREG]]
16*9880d681SAndroid Build Coastguard Worker; CHECK: clrldi   4, [[TEMPREG]], 32
17*9880d681SAndroid Build Coastguard Worker  %element.ext = zext i32 %element to i64
18*9880d681SAndroid Build Coastguard Worker  %value.ext = zext i32 %value to i64
19*9880d681SAndroid Build Coastguard Worker  call void @func(i8* %context, i64 %value.ext, i64 %element.ext)
20*9880d681SAndroid Build Coastguard Worker  br label %lreturn
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerlreturn:
23*9880d681SAndroid Build Coastguard Worker  ret void
24*9880d681SAndroid Build Coastguard Worker}
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