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53 lines
2.0 KiB
LLVM
53 lines
2.0 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
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; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
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; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
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; RUN: -ppc-gpr-icmps=all -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
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; RUN: --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
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%struct.tree_common = type { i8, [3 x i8] }
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declare signext i32 @fn2(...) local_unnamed_addr #1
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; Function Attrs: nounwind
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define i32 @testCompare1(%struct.tree_common* nocapture readonly %arg1) {
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; CHECK-LABEL: testCompare1:
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; CHECK: # %bb.0: # %entry
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; CHECK: lbz r3, 0(r3)
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; CHECK-DAG: clrlwi r3, r3, 31
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; CHECK-DAG: clrldi r3, r3, 32
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; CHECK: lbz r4, 0(r4)
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; CHECK-DAG: clrlwi r4, r4, 31
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; CHECK-DAG: clrldi r4, r4, 32
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; CHECK: sub r3, r4, r3
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; CHECK-NEXT: rldicl r3, r3, 1, 63
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entry:
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%bf.load = load i8, i8* bitcast (i32 (%struct.tree_common*)* @testCompare1 to i8*), align 4
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%bf.clear = and i8 %bf.load, 1
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%0 = getelementptr inbounds %struct.tree_common, %struct.tree_common* %arg1, i64 0, i32 0
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%bf.load1 = load i8, i8* %0, align 4
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%bf.clear2 = and i8 %bf.load1, 1
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%cmp = icmp ult i8 %bf.clear, %bf.clear2
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%conv = zext i1 %cmp to i32
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%call = tail call signext i32 bitcast (i32 (...)* @fn2 to i32 (i32)*)(i32 signext %conv) #2
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ret i32 undef
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}
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; Function Attrs: norecurse nounwind readnone
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define signext i32 @testCompare2(i32 zeroext %a, i32 zeroext %b) {
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; CHECK-LABEL: testCompare2:
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; CHECK: # %bb.0: # %entry
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; CHECK-DAG: rlwinm r3, r3, 0, 31, 31
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; CHECK-DAG: rlwinm r4, r4, 0, 31, 31
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; CHECK-DAG: clrldi r3, r3, 32
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; CHECK-DAG: clrldi r4, r4, 32
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; CHECK: sub r3, r3, r4
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; CHECK-NEXT: rldicl r3, r3, 1, 63
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; CHECK-NEXT: blr
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entry:
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%and = and i32 %a, 1
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%and1 = and i32 %b, 1
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%cmp = icmp ult i32 %and, %and1
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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