1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 2; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s 3 4; Check there's no assert in the coalescer from implicit-def operands 5; on an IMPLICIT_DEF. 6 7 8define i1 @_ZN4llvm8LLParser17parseDIEnumeratorERPNS_6MDNodeEb(i32 %arg) { 9; CHECK-LABEL: _ZN4llvm8LLParser17parseDIEnumeratorERPNS_6MDNodeEb: 10; CHECK: # %bb.0: # %entry 11; CHECK-NEXT: xorl %ecx, %ecx 12; CHECK-NEXT: xorl %eax, %eax 13; CHECK-NEXT: cmpl $1, %edi 14; CHECK-NEXT: je .LBB0_1 15; CHECK-NEXT: # %bb.2: # %entry 16; CHECK-NEXT: testl %edi, %edi 17; CHECK-NEXT: jne .LBB0_4 18; CHECK-NEXT: # %bb.3: # %if.end.i.i.preheader 19; CHECK-NEXT: movb $1, %al 20; CHECK-NEXT: movl $1, %ecx 21; CHECK-NEXT: .LBB0_4: # %if.then.i.i 22; CHECK-NEXT: movb $1, %dl 23; CHECK-NEXT: testb %dl, %dl 24; CHECK-NEXT: je .LBB0_6 25; CHECK-NEXT: .LBB0_7: # %do.end 26; CHECK-NEXT: movq %rcx, 0 27; CHECK-NEXT: movb %al, 0 28; CHECK-NEXT: xorl %eax, %eax 29; CHECK-NEXT: retq 30; CHECK-NEXT: .LBB0_1: 31; CHECK-NEXT: xorl %edx, %edx 32; CHECK-NEXT: testb %dl, %dl 33; CHECK-NEXT: jne .LBB0_7 34; CHECK-NEXT: .LBB0_6: # %if.then8 35; CHECK-NEXT: xorl %eax, %eax 36; CHECK-NEXT: retq 37entry: 38 switch i32 %arg, label %if.then.i.i [ 39 i32 1, label %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit" 40 i32 0, label %if.end.i.i.preheader 41 ] 42 43if.end.i.i.preheader: ; preds = %entry 44 br label %if.then.i.i 45 46if.then.i.i: ; preds = %if.end.i.i.preheader, %entry 47 %i = phi i64 [ 0, %entry ], [ 1, %if.end.i.i.preheader ] 48 %i1 = phi i8 [ 0, %entry ], [ 1, %if.end.i.i.preheader ] 49 br label %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit" 50 51"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit": ; preds = %if.then.i.i, %entry 52 %i2 = phi i64 [ 0, %entry ], [ %i, %if.then.i.i ] 53 %i3 = phi i8 [ 0, %entry ], [ %i1, %if.then.i.i ] 54 %i4 = phi i8 [ 0, %entry ], [ 1, %if.then.i.i ] 55 %tobool7.not = icmp eq i8 %i4, 0 56 br i1 %tobool7.not, label %if.then8, label %do.end 57 58if.then8: ; preds = %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit" 59 ret i1 false 60 61do.end: ; preds = %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit" 62 store i64 %i2, ptr null, align 8 63 store i8 %i3, ptr null, align 4 64 ret i1 false 65} 66