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40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
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; This tests currently fails as MachineLICM does not compute register pressure
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; correctly. More details: llvm.org/PR23143
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; XFAIL: *
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; MachineLICM should take register pressure into account.
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; CHECK-NOT: Spill
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%struct.A = type { i32, i32, i32, i32, i32, i32, i32 }
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define void @test(i1 %b, %struct.A* %a) nounwind {
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entry:
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br label %loop-header
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loop-header:
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br label %loop-body
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loop-body:
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%0 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 0
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%1 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 1
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%2 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 2
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%3 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 3
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%4 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 4
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%5 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 5
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%6 = getelementptr inbounds %struct.A, %struct.A* %a, i64 0, i32 6
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call void @assign(i32* %0)
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call void @assign(i32* %1)
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call void @assign(i32* %2)
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call void @assign(i32* %3)
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call void @assign(i32* %4)
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call void @assign(i32* %5)
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call void @assign(i32* %6)
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br i1 %b, label %loop-body, label %loop-exit
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loop-exit:
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ret void
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}
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declare void @assign(i32*)
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