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1; Check that debug intrinsics do not affect code generation.2 3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck --check-prefix=X86-CHECK %s4 5define i64 @simulate(<2 x i32> %a) {6entry:7 %rand = tail call i64 @lrand48()8 br label %body9 10body: ; preds = %body, %entry11 %0 = phi <2 x i32> [ %add, %body ], [ zeroinitializer, %entry ]12 %add = add <2 x i32> %0, %a13 %rand1 = tail call i64 @lrand48() #314 %cmp = icmp eq i64 %rand1, 015 br i1 %cmp, label %end, label %body16 17end: ; preds = %body18 %c = bitcast <2 x i32> %add to i6419 %res = add i64 %rand, %c20 ret i64 %res21}22 23; X86-CHECK: simulate:24; X86-CHECK: movdqa %xmm0, 16(%rsp)25; X86-CHECK: pxor %xmm0, %xmm026; X86-CHECK: movdqa %xmm0, (%rsp)27; X86-CHECK: callq lrand4828; X86-CHECK: movq %rax, %rbx29 30define i64 @simulateWithDebugIntrinsic(<2 x i32> %a) local_unnamed_addr {31entry:32 %rand = tail call i64 @lrand48() #333 tail call void @llvm.dbg.value(metadata i64 %rand, i64 0, metadata !6, metadata !7), !dbg !834 br label %body35 36body: ; preds = %body, %entry37 %0 = phi <2 x i32> [ %add, %body ], [ zeroinitializer, %entry ]38 %add = add <2 x i32> %0, %a39 %rand1 = tail call i64 @lrand48() #340 %cmp = icmp eq i64 %rand1, 041 br i1 %cmp, label %end, label %body42 43end: ; preds = %body44 %c = bitcast <2 x i32> %add to i6445 %res = add i64 %rand, %c46 ret i64 %res47}48 49; X86-CHECK: simulateWithDebugIntrinsic:50; X86-CHECK: movdqa %xmm0, 16(%rsp)51; X86-CHECK: pxor %xmm0, %xmm052; X86-CHECK: movdqa %xmm0, (%rsp)53; X86-CHECK: callq lrand4854; X86-CHECK: movq %rax, %rbx55 56define i64 @simulateWithDbgDeclare(<2 x i32> %a) local_unnamed_addr {57entry:58 %rand = tail call i64 @lrand48() #359 tail call void @llvm.dbg.declare(metadata i64 %rand, metadata !6, metadata !7), !dbg !860 br label %body61 62body: ; preds = %body, %entry63 %0 = phi <2 x i32> [ %add, %body ], [ zeroinitializer, %entry ]64 %add = add <2 x i32> %0, %a65 %rand1 = tail call i64 @lrand48() #366 %cmp = icmp eq i64 %rand1, 067 br i1 %cmp, label %end, label %body68 69end: ; preds = %body70 %c = bitcast <2 x i32> %add to i6471 %res = add i64 %rand, %c72 ret i64 %res73}74 75; X86-CHECK: simulateWithDbgDeclare:76; X86-CHECK: movdqa %xmm0, 16(%rsp)77; X86-CHECK: pxor %xmm0, %xmm078; X86-CHECK: movdqa %xmm0, (%rsp)79; X86-CHECK: callq lrand4880; X86-CHECK: movq %rax, %rbx81 82declare i64 @lrand48()83 84declare void @llvm.dbg.value(metadata, i64, metadata, metadata)85declare void @llvm.dbg.declare(metadata, metadata, metadata)86 87!llvm.dbg.cu = !{!1}88!llvm.module.flags = !{!3, !4}89 90!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, runtimeVersion: 0, emissionKind: FullDebug)91!2 = !DIFile(filename: "test.ll", directory: ".")92!3 = !{i32 2, !"Dwarf Version", i32 4}93!4 = !{i32 2, !"Debug Info Version", i32 3}94!5 = distinct !DISubprogram(name: "simulateWithDebugIntrinsic", scope: !2, file: !2, line: 64, isLocal: false, isDefinition: true, scopeLine: 65, unit: !1)95!6 = !DILocalVariable(name: "randv", scope: !5, file: !2, line: 69)96!7 = !DIExpression()97!8 = !DILocation(line: 132, column: 2, scope: !5)98