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cf66fb8aeb3a4108a3aa7f7823fb2fb9a64a6ffb
carbon-lang/toolchain/driver/testdata/compile/optimize/optimize_speed.carbon
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Nicholas Bishop cf66fb8aeb roll llvm to 7024b9e1b423b3c3c6ac76ab6a73cb2c9e4ef842 (#7781) 
Updated patch 0006 to include new files added in
https://github.com/llvm/llvm-project/pull/207543.

Dropped patch 0009 which was upstreamed in:
https://github.com/llvm/llvm-project/pull/190088

Minor updates to patch 0011 for changes upstream.

Minor updates in export.cpp to use `llvm::FoldingSetInsertToken` instead
of a void pointer.
2026-09-14 21:54:09 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// ARGS: compile --optimize=speed foo.carbon --target=x86_64-unknown-linux-gnu --phase=optimize --dump-llvm-ir --exclude-dump-file-prefix=%{core}
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/driver/testdata/compile/optimize/optimize_speed.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/driver/testdata/compile/optimize/optimize_speed.carbon
// --- foo.carbon
fn Rand() -> i32;
fn NoInlineWithOz() -> i32 {
return Rand() + Rand();
}
fn CallNoInlineWithOptSize() -> i32 {
// Should not be inlined with --optimize=size, because the body is larger than the call.
return NoInlineWithOz();
}
fn VectorizedWithOptSpeed(a: array(i32, 65536)*) {
// Should be vectorized with --optimize=speed, but not in other modes.
var n: i32 = 0;
while (n < 65536) {
(*a)[n] *= 2;
++n;
}
}
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'foo.carbon'
// CHECK:STDOUT: source_filename = "foo.carbon"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: declare i32 @_CRand.Main() local_unnamed_addr
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CNoInlineWithOz.Main() local_unnamed_addr #0 !dbg !10 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Rand.call.loc4_15 = tail call i32 @_CRand.Main() #0, !dbg !13
// CHECK:STDOUT: %Rand.call.loc4_24 = tail call i32 @_CRand.Main() #0, !dbg !14
// CHECK:STDOUT: %Int.as.AddWith.impl.Op.call = add i32 %Rand.call.loc4_24, %Rand.call.loc4_15, !dbg !13
// CHECK:STDOUT: ret i32 %Int.as.AddWith.impl.Op.call, !dbg !15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CCallNoInlineWithOptSize.Main() local_unnamed_addr #0 !dbg !16 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %Rand.call.loc4_15.i = tail call i32 @_CRand.Main() #0, !dbg !81
// CHECK:STDOUT: %Rand.call.loc4_24.i = tail call i32 @_CRand.Main() #0, !dbg !82
// CHECK:STDOUT: %Int.as.AddWith.impl.Op.call.i = add i32 %Rand.call.loc4_24.i, %Rand.call.loc4_15.i, !dbg !81
// CHECK:STDOUT: ret i32 %Int.as.AddWith.impl.Op.call.i, !dbg !20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nofree norecurse nosync nounwind memory(argmem: readwrite)
// CHECK:STDOUT: define void @_CVectorizedWithOptSpeed.Main(ptr nofree captures(none) %a) local_unnamed_addr #1 !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: br label %vector.body, !dbg !26
// CHECK:STDOUT:
// CHECK:STDOUT: vector.body: ; preds = %vector.body, %entry
// CHECK:STDOUT: %index = phi i32 [ 0, %entry ], [ %index.next.1, %vector.body ], !dbg !90
// CHECK:STDOUT: %0 = zext nneg i32 %index to i64, !dbg !31
// CHECK:STDOUT: %1 = getelementptr inbounds nuw [4 x i8], ptr %a, i64 %0, !dbg !31
// CHECK:STDOUT: %2 = getelementptr inbounds nuw i8, ptr %1, i64 16, !dbg !31
// CHECK:STDOUT: %wide.load = load <4 x i32>, ptr %1, align 4, !dbg !31
// CHECK:STDOUT: %wide.load4 = load <4 x i32>, ptr %2, align 4, !dbg !31
// CHECK:STDOUT: %3 = shl <4 x i32> %wide.load, splat (i32 1), !dbg !31
// CHECK:STDOUT: %4 = shl <4 x i32> %wide.load4, splat (i32 1), !dbg !31
// CHECK:STDOUT: store <4 x i32> %3, ptr %1, align 4, !dbg !31
// CHECK:STDOUT: store <4 x i32> %4, ptr %2, align 4, !dbg !31
// CHECK:STDOUT: %5 = zext nneg i32 %index to i64, !dbg !31
// CHECK:STDOUT: %6 = getelementptr inbounds nuw [4 x i8], ptr %a, i64 %5, !dbg !31
// CHECK:STDOUT: %7 = getelementptr inbounds nuw i8, ptr %6, i64 32, !dbg !31
// CHECK:STDOUT: %8 = getelementptr inbounds nuw i8, ptr %6, i64 48, !dbg !31
// CHECK:STDOUT: %wide.load.1 = load <4 x i32>, ptr %7, align 4, !dbg !31
// CHECK:STDOUT: %wide.load4.1 = load <4 x i32>, ptr %8, align 4, !dbg !31
// CHECK:STDOUT: %9 = shl <4 x i32> %wide.load.1, splat (i32 1), !dbg !31
// CHECK:STDOUT: %10 = shl <4 x i32> %wide.load4.1, splat (i32 1), !dbg !31
// CHECK:STDOUT: store <4 x i32> %9, ptr %7, align 4, !dbg !31
// CHECK:STDOUT: store <4 x i32> %10, ptr %8, align 4, !dbg !31
// CHECK:STDOUT: %index.next.1 = add nuw nsw i32 %index, 16, !dbg !90
// CHECK:STDOUT: %11 = icmp eq i32 %index.next.1, 65536, !dbg !26
// CHECK:STDOUT: br i1 %11, label %while.done, label %vector.body, !dbg !26, !llvm.loop !98
// CHECK:STDOUT:
// CHECK:STDOUT: while.done: ; preds = %vector.body
// CHECK:STDOUT: ret void, !dbg !35
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder i32 %index, { 1, 0, 2 }
// CHECK:STDOUT: uselistorder ptr %1, { 1, 2, 0 }
// CHECK:STDOUT: uselistorder ptr %2, { 1, 0 }
// CHECK:STDOUT: uselistorder ptr %8, { 1, 0 }
// CHECK:STDOUT: uselistorder i32 %index.next.1, { 1, 0 }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.70db2d92ffddbef7:core.Destroy.Core"(ptr %self) local_unnamed_addr #0 !dbg !37 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !39
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nofree norecurse nosync nounwind memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!1}
// CHECK:STDOUT: !llvm.module.flags = !{!75, !76}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !DIFile(filename: "foo.carbon", directory: "")
// CHECK:STDOUT: !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !0, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !2 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !3 = !{!2}
// CHECK:STDOUT: !4 = !DISubroutineType(types: !3)
// CHECK:STDOUT: !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !6 = !{null, !5}
// CHECK:STDOUT: !7 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !8 = !{null, !2}
// CHECK:STDOUT: !9 = !DISubroutineType(types: !8)
// CHECK:STDOUT: !10 = distinct !DISubprogram(name: "NoInlineWithOz", linkageName: "_CNoInlineWithOz.Main", scope: null, file: !0, line: 3, type: !4, spFlags: DISPFlagDefinition, unit: !1)
// CHECK:STDOUT: !13 = !DILocation(line: 4, column: 10, scope: !10)
// CHECK:STDOUT: !14 = !DILocation(line: 4, column: 19, scope: !10)
// CHECK:STDOUT: !15 = !DILocation(line: 4, column: 3, scope: !10)
// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "CallNoInlineWithOptSize", linkageName: "_CCallNoInlineWithOptSize.Main", scope: null, file: !0, line: 7, type: !4, spFlags: DISPFlagDefinition, unit: !1)
// CHECK:STDOUT: !20 = !DILocation(line: 9, column: 3, scope: !16)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "VectorizedWithOptSpeed", linkageName: "_CVectorizedWithOptSpeed.Main", scope: null, file: !0, line: 12, type: !7, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !36)
// CHECK:STDOUT: !22 = !DILocalVariable(arg: 1, scope: !21, type: !5)
// CHECK:STDOUT: !26 = !DILocation(line: 15, column: 9, scope: !21)
// CHECK:STDOUT: !31 = !DILocation(line: 16, column: 5, scope: !21)
// CHECK:STDOUT: !35 = !DILocation(line: 12, column: 1, scope: !21)
// CHECK:STDOUT: !36 = !{!22}
// CHECK:STDOUT: !37 = distinct !DISubprogram(name: "Op", linkageName: "_COp.70db2d92ffddbef7:core.Destroy.Core", scope: null, file: !0, line: 14, type: !9, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !40)
// CHECK:STDOUT: !38 = !DILocalVariable(arg: 1, scope: !37, type: !2)
// CHECK:STDOUT: !39 = !DILocation(line: 14, column: 3, scope: !37)
// CHECK:STDOUT: !40 = !{!38}
// CHECK:STDOUT: !41 = !DIFile(filename: "{{.*}}/prelude/types/int.carbon", directory: "")
// CHECK:STDOUT: !42 = distinct !DISubprogram(name: "Op", linkageName: "_COp.Int.9452f4c51951679b.Core:Inc.Core.be1e879c1ad406d8", scope: null, file: !41, line: 396, type: !9, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !49)
// CHECK:STDOUT: !43 = !DILocalVariable(arg: 1, scope: !42, type: !2)
// CHECK:STDOUT: !46 = !{null, !2, !2}
// CHECK:STDOUT: !47 = !DISubroutineType(types: !46)
// CHECK:STDOUT: !49 = !{!43}
// CHECK:STDOUT: !50 = distinct !DISubprogram(name: "Op", linkageName: "_COp:thunk:AddAssignWith.39e2e78a3c2e036d.Core:Int.9452f4c51951679b.Core:AddAssignWith.bcc2a64c00f3554f.Core.83481f1872d67895", scope: null, file: !41, line: 331, type: !47, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !57)
// CHECK:STDOUT: !51 = !DILocalVariable(arg: 1, scope: !50, type: !2)
// CHECK:STDOUT: !52 = !DILocalVariable(arg: 2, scope: !50, type: !2)
// CHECK:STDOUT: !57 = !{!51, !52}
// CHECK:STDOUT: !75 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !76 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !80 = distinct !DILocation(line: 9, column: 10, scope: !16)
// CHECK:STDOUT: !81 = distinct !DILocation(line: 4, column: 10, scope: !10, inlinedAt: !80)
// CHECK:STDOUT: !82 = distinct !DILocation(line: 4, column: 19, scope: !10, inlinedAt: !80)
// CHECK:STDOUT: !88 = distinct !DILocation(line: 17, column: 5, scope: !21)
// CHECK:STDOUT: !89 = distinct !DILocation(line: 398, column: 5, scope: !42, inlinedAt: !88)
// CHECK:STDOUT: !90 = distinct !DILocation(line: 331, column: 3, scope: !50, inlinedAt: !89)
// CHECK:STDOUT: !95 = !{!"llvm.loop.isvectorized", i32 1}
// CHECK:STDOUT: !97 = !{!"llvm.loop.unroll.runtime.disable"}
// CHECK:STDOUT: !98 = distinct !{!98, !95, !97}
// CHECK:STDOUT:
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