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1; BB cluster section tests.2;3; Test1: Basic blocks #0 (entry) and #2 will be placed in the same section.4; Basic block 1 will be placed in a unique section.5; The rest will be placed in the cold section.6;;7;; Profile for version 0:8; RUN: echo '!foo' > %t19; RUN: echo '!!0 2' >> %t110; RUN: echo '!!1' >> %t111;;12;; Profile for version 1:13; RUN: echo 'v1' > %t214; RUN: echo 'f foo' >> %t215; RUN: echo 'c 0 2' >> %t216; RUN: echo 'c 1' >> %t217; 18; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t1 | FileCheck %s -check-prefix=LINUX-SECTIONS119; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t2 | FileCheck %s -check-prefix=LINUX-SECTIONS120;21; Test2: Basic blocks #1 and #3 will be placed in the same section.22; All other BBs (including the entry block) go into the function's section.23; RUN: echo '!foo' > %t324; RUN: echo '!!1 3' >> %t325; RUN: echo 'v1' > %t426; RUN: echo 'f foo' >> %t427; RUN: echo 'c 1 3' >> %t428; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t3 | FileCheck %s -check-prefix=LINUX-SECTIONS229; RUN: llc < %s -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=%t4 | FileCheck %s -check-prefix=LINUX-SECTIONS230 31define void @foo(i1 zeroext) nounwind {32 %2 = alloca i8, align 133 %3 = zext i1 %0 to i834 store i8 %3, ptr %2, align 135 %4 = load i8, ptr %2, align 136 %5 = trunc i8 %4 to i137 br i1 %5, label %6, label %838 396: ; preds = %140 %7 = call i32 @bar()41 br label %1042 438: ; preds = %144 %9 = call i32 @baz()45 br label %1046 4710: ; preds = %8, %648 ret void49}50 51declare i32 @bar() #152 53declare i32 @baz() #154 55; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits56; LINUX-SECTIONS1-NOT: .section57; LINUX-SECTIONS1-LABEL: foo:58; LINUX-SECTIONS1-NOT: .section59; LINUX-SECTIONS1-NOT: .LBB_END0_{{0-9}}+60; LINUX-SECTIONS1-LABEL: # %bb.2:61; LINUX-SECTIONS1-NOT: .LBB_END0_{{0-9}}+62; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits,unique,163; LINUX-SECTIONS1-LABEL: foo.__part.1:64; LINUX-SECTIONS1-LABEL: .LBB_END0_1:65; LINUX-SECTIONS1-NEXT: .size foo.__part.1, .LBB_END0_1-foo.__part.166; LINUX-SECTIONS1-NOT: .section67; LINUX-SECTIONS1: .section .text.split.foo,"ax",@progbits68; LINUX-SECTIONS1-LABEL: foo.cold:69; LINUX-SECTIONS1-LABEL: .LBB_END0_3:70; LINUX-SECTIONS1-NEXT: .size foo.cold, .LBB_END0_3-foo.cold71; LINUX-SECTIONS1: .section .text.foo,"ax",@progbits72; LINUX-SECTIONS1-LABEL: .Lfunc_end0:73; LINUX-SECTIONS1-NEXT: .size foo, .Lfunc_end0-foo74 75; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits76; LINUX-SECTIONS2-NOT: .section77; LINUX-SECTIONS2-LABEL: foo:78; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+79; LINUX-SECTIONS2-NOT: .section80; LINUX-SECTIONS2-LABEL: # %bb.2:81; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+82; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits,unique,183; LINUX-SECTIONS2-NEXT: foo.__part.0:84; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+85; LINUX-SECTIONS2-NOT: .section86; LINUX-SECTIONS2-LABEL: .LBB0_3:87; LINUX-SECTIONS2-LABEL: .LBB_END0_3:88; LINUX-SECTIONS2-NEXT: .size foo.__part.0, .LBB_END0_3-foo.__part.089; LINUX-SECTIONS2: .section .text.foo,"ax",@progbits90; LINUX-SECTIONS2-NOT: .LBB_END0_{{0-9}}+91; LINUX-SECTIONS2-LABEL: .Lfunc_end0:92; LINUX-SECTIONS2-NEXT: .size foo, .Lfunc_end0-foo93