forked from OSchip/llvm-project
53 lines
1.5 KiB
LLVM
53 lines
1.5 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; Predicated (old) taken jumps weren't supported prior to V60. The purpose
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; of this test is to make sure that these instructions are not
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; generated for V55.
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; CHECK-NOT: if ({{!?}}p{{[0-3]}}) jump:t
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%s.0 = type { %s.0*, i8 }
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define i32 @f0(%s.0** nocapture %a0, i32 %a1) #0 {
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b0:
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%v0 = and i32 %a1, 63
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%v1 = icmp eq i32 %v0, %a1
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br i1 %v1, label %b1, label %b7
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b1: ; preds = %b0
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%v2 = tail call i8* @f1()
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br label %b2
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b2: ; preds = %b4, %b1
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%v3 = phi i32 [ %v9, %b4 ], [ 0, %b1 ]
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%v4 = phi i32 [ %v5, %b4 ], [ 0, %b1 ]
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%v5 = add i32 %v4, 1
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%v6 = icmp ult i32 %v5, 7
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br i1 %v6, label %b3, label %b5
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b3: ; preds = %b2
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%v7 = tail call %s.0* @f2(i8* undef, i8* %v2)
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%v8 = icmp eq %s.0* %v7, null
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br i1 %v8, label %b7, label %b4
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b4: ; preds = %b3
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%v9 = select i1 undef, i32 1, i32 %v3
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br label %b2
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b5: ; preds = %b2
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br i1 undef, label %b7, label %b6
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b6: ; preds = %b5
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br label %b7
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b7: ; preds = %b6, %b5, %b3, %b0
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%v10 = phi i32 [ -1, %b0 ], [ 1, %b6 ], [ %v3, %b5 ], [ -1, %b3 ]
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ret i32 %v10
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}
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declare i8* @f1()
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declare %s.0* @f2(i8*, i8*)
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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