forked from OSchip/llvm-project
45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr8 < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mcpu=pwr8 -ppc-gen-isel=false < %s | FileCheck --check-prefix=CHECK-NO-ISEL %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind
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define void @foo(i32* nocapture %r1, i32* nocapture %r2, i32* nocapture %r3, i32* nocapture %r4, i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d) #0 {
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entry:
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%tobool = icmp ne i32 %a, 0
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%cond = select i1 %tobool, i32 %b, i32 %c
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store i32 %cond, i32* %r1, align 4
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%cond5 = select i1 %tobool, i32 %b, i32 %d
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store i32 %cond5, i32* %r2, align 4
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%add = add nsw i32 %b, 1
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%sub = add nsw i32 %d, -2
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%cond10 = select i1 %tobool, i32 %add, i32 %sub
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store i32 %cond10, i32* %r3, align 4
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%add13 = add nsw i32 %b, 3
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%sub15 = add nsw i32 %d, -5
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%cond17 = select i1 %tobool, i32 %add13, i32 %sub15
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store i32 %cond17, i32* %r4, align 4
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ret void
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}
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; Make sure that we don't schedule all of the isels together, they should be
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; intermixed with the adds because each isel starts a new dispatch group.
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; CHECK-LABEL: @foo
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; CHECK-NO-ISEL-LABEL: @foo
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; CHECK: isel
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; CHECK-NO-ISEL: bc 12, 2, [[TRUE:.LBB[0-9]+]]
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; CHECK-NO-ISEL: ori 7, 12, 0
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; CHECK-NO-ISEL-NEXT: b [[SUCCESSOR:.LBB[0-9]+]]
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; CHECK-NO-ISEL: [[TRUE]]
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; CHECK-NO-ISEL-NEXT: addi 7, 11, 0
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; CHECK: addi
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; CHECK: isel
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; CHECK-NO-ISEL: bc 12, 2, [[TRUE:.LBB[0-9]+]]
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; CHECK-NO-ISEL: ori 10, 11, 0
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; CHECK-NO-ISEL-NEXT: b [[SUCCESSOR:.LBB[0-9]+]]
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; CHECK-NO-ISEL: [[TRUE]]
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; CHECK-NO-ISEL-NEXT: addi 10, 12, 0
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; CHECK: blr
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attributes #0 = { nounwind }
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