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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s
; Test memcpy-memcpy dependencies across invoke edges.
; Test that memcpyopt works across the non-unwind edge of an invoke.
define hidden void @test_normal(ptr noalias %dst, ptr %src) personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: @test_normal(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TEMP]], ptr nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
; CHECK-NEXT: invoke void @invoke_me()
; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
; CHECK: lpad:
; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: catch ptr null
; CHECK-NEXT: ret void
; CHECK: try.cont:
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[DST:%.*]], ptr align 8 [[SRC]], i64 64, i1 false)
; CHECK-NEXT: ret void
;
entry:
%temp = alloca i8, i32 64
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %temp, ptr nonnull align 8 %src, i64 64, i1 false)
invoke void @invoke_me()
to label %try.cont unwind label %lpad
lpad:
landingpad { ptr, i32 }
catch ptr null
ret void
try.cont:
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %dst, ptr align 8 %temp, i64 64, i1 false)
ret void
}
; Test that memcpyopt works across the unwind edge of an invoke.
define hidden void @test_unwind(ptr noalias %dst, ptr %src) personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: @test_unwind(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TEMP]], ptr nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
; CHECK-NEXT: invoke void @invoke_me()
; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
; CHECK: lpad:
; CHECK-NEXT: [[TMP0:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: catch ptr null
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[DST:%.*]], ptr align 8 [[SRC]], i64 64, i1 false)
; CHECK-NEXT: ret void
; CHECK: try.cont:
; CHECK-NEXT: ret void
;
entry:
%temp = alloca i8, i32 64
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %temp, ptr nonnull align 8 %src, i64 64, i1 false)
invoke void @invoke_me()
to label %try.cont unwind label %lpad
lpad:
landingpad { ptr, i32 }
catch ptr null
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %dst, ptr align 8 %temp, i64 64, i1 false)
ret void
try.cont:
ret void
}
declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
declare i32 @__gxx_personality_v0(...)
declare void @invoke_me() readnone
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