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