60 lines
1.6 KiB
LLVM
60 lines
1.6 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; Test that the first packet contains 4 instructions, which includes
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; a call. The compiler marked the call as constant extended incorrectly,
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; which meant it couldn't fit in the first packet. But, calls are not
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; constant extended by the compiler.
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; CHECK: {
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; CHECK-NEXT: call f1
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; CHECK-NEXT: combine
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; CHECK-NEXT: memd
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; CHECK-NEXT: allocframe
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; CHECK-NEXT: }
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@g0 = external global i32
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; Function Attrs: noinline nounwind
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define i32 @f0(i32 %a0, i32* nocapture %a1) #0 {
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b0:
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%v0 = tail call i32 @f1(i32 %a0)
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%v1 = icmp eq i32 %v0, 0
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%v2 = select i1 %v1, i32 3, i32 %a0
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store i32 %v2, i32* %a1, align 4
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switch i32 %a0, label %b5 [
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i32 0, label %b1
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i32 1, label %b2
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i32 2, label %b3
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i32 4, label %b4
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]
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b1: ; preds = %b0
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store i32 0, i32* %a1, align 4
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br label %b5
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b2: ; preds = %b0
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%v3 = load i32, i32* @g0, align 4
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%v4 = icmp sgt i32 %v3, 100
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%v5 = select i1 %v4, i32 0, i32 3
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store i32 %v5, i32* %a1, align 4
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br label %b5
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b3: ; preds = %b0
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store i32 1, i32* %a1, align 4
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br label %b5
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b4: ; preds = %b0
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store i32 2, i32* %a1, align 4
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br label %b5
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b5: ; preds = %b4, %b3, %b2, %b1, %b0
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ret i32 undef
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}
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; Function Attrs: noinline nounwind readnone
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declare i32 @f1(i32) #1
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attributes #0 = { noinline nounwind "target-cpu"="hexagonv60" }
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attributes #1 = { noinline nounwind readnone "target-cpu"="hexagonv60" }
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