1;; Tests for invalid path cloning with -basic-block-sections involving indirect branches. 2 3declare void @effect(i32 zeroext) 4 5;; Test failed application of path cloning for paths with indirect branches. 6; RUN: echo 'v1' > %t1 7; RUN: echo 'f bar' >> %t1 8; RUN: echo 'p 0 1 2' >> %t1 9; RUN: echo 'c 0 1.1 2.1 1' >> %t1 10; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t1 2> %t1.err | FileCheck %s 11; RUN: FileCheck %s --check-prefix=WARN < %t1.err 12; RUN: echo 'v1' > %t2 13; RUN: echo 'f bar' >> %t2 14; RUN: echo 'p 1 2' >> %t2 15; RUN: echo 'c 0 1 2.1' >> %t2 16; RUN: llc < %s -mtriple=x86_64-pc-linux -O0 -function-sections -basic-block-sections=%t2 2> %t2.err | FileCheck %s 17; RUN: FileCheck %s --check-prefix=WARN < %t2.err 18 19 20define void @bar(i1 %a, i1 %b) { 21b0: 22 call void @effect(i32 0) 23 br i1 %a, label %b1, label %b2 24b1: ; preds = %b0 25 call void @effect(i32 1) 26 %0 = select i1 %b, ; <ptr> [#uses=1] 27 ptr blockaddress(@bar, %b2), 28 ptr blockaddress(@bar, %b3) 29 indirectbr ptr %0, [label %b2, label %b3] 30b2: ; preds = %b0, %b1 31 call void @effect(i32 2) 32 ret void 33b3: 34 call void @effect(i32 3) ; preds = %b1 35 ret void 36} 37 38; CHECK: .section .text.bar,"ax",@progbits 39; CHECK: bar: 40; CHECK: # %bb.0: # %b0 41; CHECK: # %bb.1: # %b1 42; CHECK: .section .text.split.bar,"ax",@progbits 43; CHECK: bar.cold: # %b2 44 45; WARN: warning: block #1 has indirect branch and appears as the non-tail block of a path in function bar 46