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