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106 lines
4.3 KiB
106 lines
4.3 KiB
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s --check-prefix=NO_MSSA
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; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s --check-prefix=MSSA
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; Test memcpy-memcpy dependencies across invoke edges.
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; Test that memcpyopt works across the non-unwind edge of an invoke.
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; TODO: Not supported yet.
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define hidden void @test_normal(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; NO_MSSA-LABEL: @test_normal(
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; NO_MSSA-NEXT: entry:
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; NO_MSSA-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
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; NO_MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
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; NO_MSSA-NEXT: invoke void @invoke_me()
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; NO_MSSA-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
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; NO_MSSA: lpad:
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; NO_MSSA-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
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; NO_MSSA-NEXT: catch i8* null
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; NO_MSSA-NEXT: ret void
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; NO_MSSA: try.cont:
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; NO_MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[TEMP]], i64 64, i1 false)
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; NO_MSSA-NEXT: ret void
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;
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; MSSA-LABEL: @test_normal(
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; MSSA-NEXT: entry:
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; MSSA-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
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; MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
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; MSSA-NEXT: invoke void @invoke_me()
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; MSSA-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
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; MSSA: lpad:
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; MSSA-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
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; MSSA-NEXT: catch i8* null
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; MSSA-NEXT: ret void
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; MSSA: try.cont:
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; MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[SRC]], i64 64, i1 false)
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; MSSA-NEXT: ret void
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;
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entry:
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%temp = alloca i8, i32 64
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false)
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invoke void @invoke_me()
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to label %try.cont unwind label %lpad
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lpad:
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landingpad { i8*, i32 }
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catch i8* null
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ret void
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try.cont:
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false)
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ret void
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}
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; Test that memcpyopt works across the unwind edge of an invoke.
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; TODO: Not supported yet.
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define hidden void @test_unwind(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; NO_MSSA-LABEL: @test_unwind(
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; NO_MSSA-NEXT: entry:
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; NO_MSSA-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
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; NO_MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
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; NO_MSSA-NEXT: invoke void @invoke_me()
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; NO_MSSA-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
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; NO_MSSA: lpad:
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; NO_MSSA-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
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; NO_MSSA-NEXT: catch i8* null
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; NO_MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[TEMP]], i64 64, i1 false)
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; NO_MSSA-NEXT: ret void
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; NO_MSSA: try.cont:
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; NO_MSSA-NEXT: ret void
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;
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; MSSA-LABEL: @test_unwind(
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; MSSA-NEXT: entry:
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; MSSA-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
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; MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
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; MSSA-NEXT: invoke void @invoke_me()
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; MSSA-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
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; MSSA: lpad:
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; MSSA-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
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; MSSA-NEXT: catch i8* null
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; MSSA-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[SRC]], i64 64, i1 false)
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; MSSA-NEXT: ret void
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; MSSA: try.cont:
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; MSSA-NEXT: ret void
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;
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entry:
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%temp = alloca i8, i32 64
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false)
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invoke void @invoke_me()
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to label %try.cont unwind label %lpad
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lpad:
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landingpad { i8*, i32 }
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catch i8* null
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false)
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ret void
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try.cont:
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
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declare i32 @__gxx_personality_v0(...)
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declare void @invoke_me() readnone
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