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7a1e872564
In the included test case, a stack load was not included in DistanceMap. That caused TransferDeadness to ignore the instruction, leading to a scavenger assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79090 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
1.1 KiB
LLVM
26 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | llc -march=bfin -verify-machineinstrs
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; LocalRewriter can forget to transfer a <def,dead> flag when setting up call
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; argument registers. This then causes register scavenger asserts.
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declare i32 @printf(i8*, i32, float)
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define i32 @testissue(i32 %i, float %x, float %y) {
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br label %bb1
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bb1: ; preds = %bb1, %0
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%x2 = fmul float %x, 5.000000e-01 ; <float> [#uses=1]
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%y2 = fmul float %y, 0x3FECCCCCC0000000 ; <float> [#uses=1]
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%z2 = fadd float %x2, %y2 ; <float> [#uses=1]
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%z3 = fadd float undef, %z2 ; <float> [#uses=1]
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%i1 = shl i32 %i, 3 ; <i32> [#uses=1]
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%j1 = add i32 %i, 7 ; <i32> [#uses=1]
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%m1 = add i32 %i1, %j1 ; <i32> [#uses=2]
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%b = icmp sle i32 %m1, 6 ; <i1> [#uses=1]
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br i1 %b, label %bb1, label %bb2
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bb2: ; preds = %bb1
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%1 = call i32 @printf(i8* undef, i32 %m1, float %z3); <i32> [#uses=0]
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ret i32 0
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}
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