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1# RUN: llc -mtriple=x86_64-apple-macosx10.12.0 -O3 -run-pass=block-placement -o - %s | FileCheck %s2# RUN: llc -mtriple=x86_64-apple-macosx10.12.0 -O3 -passes='require<profile-summary>,function(machine-function(block-placement))' -o - %s | FileCheck %s3 4--- |5 ; ModuleID = 'test.ll'6 source_filename = "test.ll"7 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"8 9 declare void @stub(ptr)10 11 define i32 @f(ptr %ptr, i1 %cond) {12 entry:13 br i1 %cond, label %left, label %right14 15 left: ; preds = %entry16 %is_null = icmp eq ptr %ptr, null17 br i1 %is_null, label %null, label %not_null, !prof !0, !make.implicit !118 19 not_null: ; preds = %left20 %val = load i32, ptr %ptr21 ret i32 %val22 23 null: ; preds = %left24 call void @stub(ptr %ptr)25 unreachable26 27 right: ; preds = %entry28 call void @stub(ptr null)29 unreachable30 }31 32 ; Function Attrs: nounwind33 declare void @llvm.stackprotector(ptr, ptr) #034 35 attributes #0 = { nounwind }36 37 !0 = !{!"branch_weights", i32 1048575, i32 1}38 !1 = !{}39 40...41---42# CHECK: name: f43name: f44alignment: 1645tracksRegLiveness: true46liveins: 47 - { reg: '$rdi' }48 - { reg: '$esi' }49 50# CHECK: $eax = FAULTING_OP 1, %bb.3, 1684, killed $rdi, 1, $noreg, 0, $noreg :: (load (s32) from %ir.ptr)51# CHECK-NEXT: JMP_1 %bb.252# CHECK: bb.3.null:53# CHECK: bb.4.right:54# CHECK: bb.2.not_null:55 56body: |57 bb.0.entry:58 successors: %bb.1(0x7ffff800), %bb.3(0x00000800)59 liveins: $esi, $rdi60 61 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp62 CFI_INSTRUCTION def_cfa_offset 1663 TEST8ri $sil, 1, implicit-def $eflags, implicit killed $esi64 JCC_1 %bb.3, 4, implicit killed $eflags65 66 bb.1.left:67 successors: %bb.2(0x7ffff800), %bb.4(0x00000800)68 liveins: $rdi69 70 $eax = FAULTING_OP 1, %bb.2, 1684, killed $rdi, 1, $noreg, 0, $noreg :: (load (s32) from %ir.ptr)71 JMP_1 %bb.472 73 bb.4.not_null:74 liveins: $rdi, $eax75 76 $rcx = POP64r implicit-def $rsp, implicit $rsp77 RET64 $eax78 79 bb.2.null:80 liveins: $rdi81 82 CALL64pcrel32 @stub, csr_64, implicit $rsp, implicit $rdi, implicit-def $rsp83 84 bb.3.right:85 dead $edi = XOR32rr undef $edi, undef $edi, implicit-def dead $eflags, implicit-def $rdi86 CALL64pcrel32 @stub, csr_64, implicit $rsp, implicit $rdi, implicit-def $rsp87 88...89