73 lines
2.3 KiB
LLVM
73 lines
2.3 KiB
LLVM
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;; Tests for invalid or (partially invalid) path clonings with -basic-block-sections.
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declare void @effect(i32 zeroext)
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;; Test failed application of path cloning.
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; RUN: echo 'v1' > %t1
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; RUN: echo 'f foo' >> %t1
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; RUN: echo 'p 0 2 3' >> %t1
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; RUN: echo 'c 0 2.1 3.1 1' >> %t1
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; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t1 2> %t1.err | FileCheck %s
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; RUN: FileCheck %s --check-prefixes=WARN1 < %t1.err
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;; Test that valid clonings are applied correctly, even if invalid clonings exist.
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; RUN: echo 'v1' > %t2
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; RUN: echo 'f foo' >> %t2
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; RUN: echo 'p 0 2 3' >> %t2
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; RUN: echo 'p 0 1 3' >> %t2
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; RUN: echo 'c 0 1.1 3.2 2.1 3.1 1' >> %t2
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; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t2 2> %t2.err | FileCheck %s --check-prefixes=PATH
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; RUN: FileCheck %s --check-prefixes=WARN1 < %t2.err
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; RUN: echo 'v1' > %t3
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; RUN: echo 'f foo' >> %t3
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; RUN: echo 'p 0 100' >> %t3
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; RUN: echo 'c 0 100.1 1' >> %t3
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; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t3 2> %t3.err | FileCheck %s
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; RUN: FileCheck %s --check-prefixes=WARN2 < %t3.err
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define void @foo(i1 %a, i1 %b, i1 %c, i1 %d) {
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b0:
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call void @effect(i32 0)
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br i1 %a, label %b1, label %b3
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b1: ; preds = %b0
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call void @effect(i32 1)
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br i1 %b, label %b2, label %b3
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b2: ; preds = %b1
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call void @effect(i32 2)
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br label %b3
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b3: ; preds = %b0, %b1, %b2
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call void @effect(i32 3)
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br i1 %c, label %b4, label %b5
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b4: ; preds = %b3
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call void @effect(i32 4)
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br i1 %d, label %b5, label %cold
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b5: ; preds = %b3, %b4
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call void @effect(i32 5)
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ret void
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cold:
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call void @effect(i32 6) ; preds = %b4
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ret void
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}
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; CHECK: .section .text.foo,"ax",@progbits
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; CHECK: foo:
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; CHECK: # %bb.0: # %b0
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; CHECK: je .LBB0_3
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; PATH: # %bb.7: # %b1
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; PATH: # %bb.8: # %b3
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; PATH: jne .LBB0_4
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; CHECK: # %bb.1: # %b1
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; CHECK: jne foo.cold
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; CHECK: foo.cold: # %b2
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;; Check the warnings
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; WARN1: warning: block #2 is not a successor of block #0 in function foo
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; WARN2: warning: no block with id 100 in function foo
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