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llvm-project/llvm/test/Transforms/InstCombine/memcpy-from-global.ll
Matt Arsenault 06c192d454 OpaquePtr: Bulk update tests to use typed byval 
Upgrade of the IR text tests should be the only thing blocking making
typed byval mandatory. Partially done through regex and partially
manual.
2020-11-20 14:00:46 -05:00

327 lines
18 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
@C.0.1248 = internal constant [128 x float] [ float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 ], align 32 ; <[128 x float]*> [#uses=1]
define float @test1(i32 %hash, float %x, float %y, float %z, float %w) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP3:%.*]] = shl i32 [[HASH:%.*]], 2
; CHECK-NEXT: [[TMP5:%.*]] = and i32 [[TMP3]], 124
; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[TMP5]] to i64
; CHECK-NEXT: [[TMP753:%.*]] = getelementptr [128 x float], [128 x float]* @C.0.1248, i64 0, i64 [[TMP0]]
; CHECK-NEXT: [[TMP9:%.*]] = load float, float* [[TMP753]], align 16
; CHECK-NEXT: [[TMP11:%.*]] = fmul float [[TMP9]], [[X:%.*]]
; CHECK-NEXT: [[TMP13:%.*]] = fadd float [[TMP11]], 0.000000e+00
; CHECK-NEXT: [[TMP17_SUM52:%.*]] = or i32 [[TMP5]], 1
; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP17_SUM52]] to i64
; CHECK-NEXT: [[TMP1851:%.*]] = getelementptr [128 x float], [128 x float]* @C.0.1248, i64 0, i64 [[TMP1]]
; CHECK-NEXT: [[TMP19:%.*]] = load float, float* [[TMP1851]], align 4
; CHECK-NEXT: [[TMP21:%.*]] = fmul float [[TMP19]], [[Y:%.*]]
; CHECK-NEXT: [[TMP23:%.*]] = fadd float [[TMP21]], [[TMP13]]
; CHECK-NEXT: [[TMP27_SUM50:%.*]] = or i32 [[TMP5]], 2
; CHECK-NEXT: [[TMP2:%.*]] = zext i32 [[TMP27_SUM50]] to i64
; CHECK-NEXT: [[TMP2849:%.*]] = getelementptr [128 x float], [128 x float]* @C.0.1248, i64 0, i64 [[TMP2]]
; CHECK-NEXT: [[TMP29:%.*]] = load float, float* [[TMP2849]], align 8
; CHECK-NEXT: [[TMP31:%.*]] = fmul float [[TMP29]], [[Z:%.*]]
; CHECK-NEXT: [[TMP33:%.*]] = fadd float [[TMP31]], [[TMP23]]
; CHECK-NEXT: [[TMP37_SUM48:%.*]] = or i32 [[TMP5]], 3
; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP37_SUM48]] to i64
; CHECK-NEXT: [[TMP3847:%.*]] = getelementptr [128 x float], [128 x float]* @C.0.1248, i64 0, i64 [[TMP3]]
; CHECK-NEXT: [[TMP39:%.*]] = load float, float* [[TMP3847]], align 4
; CHECK-NEXT: [[TMP41:%.*]] = fmul float [[TMP39]], [[W:%.*]]
; CHECK-NEXT: [[TMP43:%.*]] = fadd float [[TMP41]], [[TMP33]]
; CHECK-NEXT: ret float [[TMP43]]
;
entry:
%lookupTable = alloca [128 x float], align 16 ; <[128 x float]*> [#uses=5]
%lookupTable1 = bitcast [128 x float]* %lookupTable to i8* ; <i8*> [#uses=1]
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %lookupTable1, i8* align 16 bitcast ([128 x float]* @C.0.1248 to i8*), i64 512, i1 false)
%tmp3 = shl i32 %hash, 2 ; <i32> [#uses=1]
%tmp5 = and i32 %tmp3, 124 ; <i32> [#uses=4]
%tmp753 = getelementptr [128 x float], [128 x float]* %lookupTable, i32 0, i32 %tmp5 ; <float*> [#uses=1]
%tmp9 = load float, float* %tmp753 ; <float> [#uses=1]
%tmp11 = fmul float %tmp9, %x ; <float> [#uses=1]
%tmp13 = fadd float %tmp11, 0.000000e+00 ; <float> [#uses=1]
%tmp17.sum52 = or i32 %tmp5, 1 ; <i32> [#uses=1]
%tmp1851 = getelementptr [128 x float], [128 x float]* %lookupTable, i32 0, i32 %tmp17.sum52 ; <float*> [#uses=1]
%tmp19 = load float, float* %tmp1851 ; <float> [#uses=1]
%tmp21 = fmul float %tmp19, %y ; <float> [#uses=1]
%tmp23 = fadd float %tmp21, %tmp13 ; <float> [#uses=1]
%tmp27.sum50 = or i32 %tmp5, 2 ; <i32> [#uses=1]
%tmp2849 = getelementptr [128 x float], [128 x float]* %lookupTable, i32 0, i32 %tmp27.sum50 ; <float*> [#uses=1]
%tmp29 = load float, float* %tmp2849 ; <float> [#uses=1]
%tmp31 = fmul float %tmp29, %z ; <float> [#uses=1]
%tmp33 = fadd float %tmp31, %tmp23 ; <float> [#uses=1]
%tmp37.sum48 = or i32 %tmp5, 3 ; <i32> [#uses=1]
%tmp3847 = getelementptr [128 x float], [128 x float]* %lookupTable, i32 0, i32 %tmp37.sum48 ; <float*> [#uses=1]
%tmp39 = load float, float* %tmp3847 ; <float> [#uses=1]
%tmp41 = fmul float %tmp39, %w ; <float> [#uses=1]
%tmp43 = fadd float %tmp41, %tmp33 ; <float> [#uses=1]
ret float %tmp43
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind
declare void @llvm.memcpy.p1i8.p0i8.i64(i8 addrspace(1)* nocapture, i8* nocapture, i64, i1) nounwind
declare void @llvm.memcpy.p0i8.p1i8.i64(i8* nocapture, i8 addrspace(1)* nocapture, i64, i1) nounwind
declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace(1)* nocapture, i64, i1) nounwind
%T = type { i8, [123 x i8] }
%U = type { i32, i32, i32, i32, i32 }
@G = constant %T {i8 1, [123 x i8] zeroinitializer }
@H = constant [2 x %U] zeroinitializer, align 16
define void @test2() {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[B1:%.*]] = alloca [124 x i8], align 8
; CHECK-NEXT: [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 8 dereferenceable(124) [[B1_SUB]], i8* nonnull align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
; CHECK-NEXT: call void @bar(i8* nonnull [[B1_SUB]])
; CHECK-NEXT: ret void
;
%A = alloca %T
%B = alloca %T
%a = bitcast %T* %A to i8*
%b = bitcast %T* %B to i8*
; %A alloca is deleted
; use @G instead of %A
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %b, i8* align 4 %a, i64 124, i1 false)
call void @bar(i8* %b)
ret void
}
define void @test2_no_null_opt() #0 {
; CHECK-LABEL: @test2_no_null_opt(
; CHECK-NEXT: [[B1:%.*]] = alloca [124 x i8], align 8
; CHECK-NEXT: [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 dereferenceable(124) [[B1_SUB]], i8* align 16 dereferenceable(124) getelementptr inbounds (%T, %T* @G, i64 0, i32 0), i64 124, i1 false)
; CHECK-NEXT: call void @bar(i8* [[B1_SUB]])
; CHECK-NEXT: ret void
;
%A = alloca %T
%B = alloca %T
%a = bitcast %T* %A to i8*
%b = bitcast %T* %B to i8*
; %A alloca is deleted
; use @G instead of %A
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %b, i8* align 4 %a, i64 124, i1 false)
call void @bar(i8* %b)
ret void
}
define void @test2_addrspacecast() {
; CHECK-LABEL: @test2_addrspacecast(
; CHECK-NEXT: [[B1:%.*]] = alloca [124 x i8], align 8
; CHECK-NEXT: [[B1_SUB:%.*]] = getelementptr inbounds [124 x i8], [124 x i8]* [[B1]], i64 0, i64 0
; CHECK-NEXT: [[B:%.*]] = addrspacecast i8* [[B1_SUB]] to i8 addrspace(1)*
; CHECK-NEXT: call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* align 4 dereferenceable(124) [[B]], i8 addrspace(1)* align 4 dereferenceable(124) addrspacecast (i8* getelementptr inbounds (%T, %T* @G, i64 0, i32 0) to i8 addrspace(1)*), i64 124, i1 false)
; CHECK-NEXT: call void @bar_as1(i8 addrspace(1)* [[B]])
; CHECK-NEXT: ret void
;
%A = alloca %T
%B = alloca %T
%a = addrspacecast %T* %A to i8 addrspace(1)*
%b = addrspacecast %T* %B to i8 addrspace(1)*
; %A alloca is deleted
; This doesn't exactly match what test2 does, because folding the type
; cast into the alloca doesn't work for the addrspacecast yet.
; use @G instead of %A
call void @llvm.memcpy.p1i8.p0i8.i64(i8 addrspace(1)* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* align 4 %b, i8 addrspace(1)* align 4 %a, i64 124, i1 false)
call void @bar_as1(i8 addrspace(1)* %b)
ret void
}
declare void @bar(i8*)
declare void @bar_as1(i8 addrspace(1)*)
;; Should be able to eliminate the alloca.
define void @test3() {
; CHECK-LABEL: @test3(
; CHECK-NEXT: call void @bar(i8* getelementptr inbounds (%T, %T* @G, i64 0, i32 0)) [[ATTR2:#.*]]
; CHECK-NEXT: ret void
;
%A = alloca %T
%a = bitcast %T* %A to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test3_addrspacecast() {
; CHECK-LABEL: @test3_addrspacecast(
; CHECK-NEXT: call void @bar(i8* getelementptr inbounds (%T, %T* @G, i64 0, i32 0)) [[ATTR2]]
; CHECK-NEXT: ret void
;
%A = alloca %T
%a = bitcast %T* %A to i8*
call void @llvm.memcpy.p0i8.p1i8.i64(i8* align 4 %a, i8 addrspace(1)* align 4 addrspacecast (%T* @G to i8 addrspace(1)*), i64 124, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test4() {
; CHECK-LABEL: @test4(
; CHECK-NEXT: call void @baz(i8* byval(i8) getelementptr inbounds (%T, %T* @G, i64 0, i32 0))
; CHECK-NEXT: ret void
;
%A = alloca %T
%a = bitcast %T* %A to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @baz(i8* byval(i8) %a)
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8*)
define void @test5() {
; CHECK-LABEL: @test5(
; CHECK-NEXT: call void @baz(i8* byval(i8) getelementptr inbounds (%T, %T* @G, i64 0, i32 0))
; CHECK-NEXT: ret void
;
%A = alloca %T
%a = bitcast %T* %A to i8*
call void @llvm.lifetime.start.p0i8(i64 -1, i8* %a)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%T* @G to i8*), i64 124, i1 false)
call void @baz(i8* byval(i8) %a)
ret void
}
declare void @baz(i8* byval(i8))
define void @test6() {
; CHECK-LABEL: @test6(
; CHECK-NEXT: call void @bar(i8* bitcast ([2 x %U]* @H to i8*)) [[ATTR2]]
; CHECK-NEXT: ret void
;
%A = alloca %U, align 16
%a = bitcast %U* %A to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 bitcast ([2 x %U]* @H to i8*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test7() {
; CHECK-LABEL: @test7(
; CHECK-NEXT: call void @bar(i8* bitcast ([2 x %U]* @H to i8*)) [[ATTR2]]
; CHECK-NEXT: ret void
;
%A = alloca %U, align 16
%a = bitcast %U* %A to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%U* getelementptr ([2 x %U], [2 x %U]* @H, i64 0, i32 0) to i8*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test8() {
; CHECK-LABEL: @test8(
; CHECK-NEXT: [[AL:%.*]] = alloca [[U:%.*]], align 16
; CHECK-NEXT: [[A:%.*]] = bitcast %U* [[AL]] to i8*
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(20) [[A]], i8* nonnull align 4 dereferenceable(20) bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*), i64 20, i1 false)
; CHECK-NEXT: call void @bar(i8* nonnull [[A]]) [[ATTR2]]
; CHECK-NEXT: ret void
;
%al = alloca %U, align 16
%a = bitcast %U* %al to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%U* getelementptr ([2 x %U], [2 x %U]* @H, i64 0, i32 1) to i8*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test8_addrspacecast() {
; CHECK-LABEL: @test8_addrspacecast(
; CHECK-NEXT: [[AL:%.*]] = alloca [[U:%.*]], align 16
; CHECK-NEXT: [[A:%.*]] = bitcast %U* [[AL]] to i8*
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p1i8.i64(i8* nonnull align 16 dereferenceable(20) [[A]], i8 addrspace(1)* align 4 dereferenceable(20) addrspacecast (i8* bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*) to i8 addrspace(1)*), i64 20, i1 false)
; CHECK-NEXT: call void @bar(i8* nonnull [[A]]) [[ATTR2]]
; CHECK-NEXT: ret void
;
%Al = alloca %U, align 16
%a = bitcast %U* %Al to i8*
call void @llvm.memcpy.p0i8.p1i8.i64(i8* align 4 %a, i8 addrspace(1)* align 4 addrspacecast (%U* getelementptr ([2 x %U], [2 x %U]* @H, i64 0, i32 1) to i8 addrspace(1)*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test9() {
; CHECK-LABEL: @test9(
; CHECK-NEXT: call void @bar(i8* bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*)) [[ATTR2]]
; CHECK-NEXT: ret void
;
%A = alloca %U, align 4
%a = bitcast %U* %A to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %a, i8* align 4 bitcast (%U* getelementptr ([2 x %U], [2 x %U]* @H, i64 0, i32 1) to i8*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
define void @test9_addrspacecast() {
; CHECK-LABEL: @test9_addrspacecast(
; CHECK-NEXT: call void @bar(i8* bitcast (%U* getelementptr inbounds ([2 x %U], [2 x %U]* @H, i64 0, i64 1) to i8*)) [[ATTR2]]
; CHECK-NEXT: ret void
;
%A = alloca %U, align 4
%a = bitcast %U* %A to i8*
call void @llvm.memcpy.p0i8.p1i8.i64(i8* align 4 %a, i8 addrspace(1)* align 4 addrspacecast (%U* getelementptr ([2 x %U], [2 x %U]* @H, i64 0, i32 1) to i8 addrspace(1)*), i64 20, i1 false)
call void @bar(i8* %a) readonly
ret void
}
@bbb = local_unnamed_addr global [1000000 x i8] zeroinitializer, align 16
@_ZL3KKK = internal unnamed_addr constant [3 x i8] c"\01\01\02", align 1
; Should not replace alloca with global because of size mismatch.
define void @test9_small_global() {
; CHECK-LABEL: @test9_small_global(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CC:%.*]] = alloca [1000000 x i8], align 16
; CHECK-NEXT: [[ARRAYDECAY:%.*]] = getelementptr inbounds [1000000 x i8], [1000000 x i8]* [[CC]], i64 0, i64 0
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(3) [[ARRAYDECAY]], i8* nonnull align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(1000000) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* nonnull align 16 dereferenceable(1000000) [[ARRAYDECAY]], i64 1000000, i1 false)
; CHECK-NEXT: ret void
;
entry:
%cc = alloca [1000000 x i8], align 16
%cc.0..sroa_idx = getelementptr inbounds [1000000 x i8], [1000000 x i8]* %cc, i64 0, i64 0
%arraydecay = getelementptr inbounds [1000000 x i8], [1000000 x i8]* %cc, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arraydecay, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i32 0, i32 0), i64 3, i1 false)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i32 0, i32 0), i8* align 16 %arraydecay, i64 1000000, i1 false)
ret void
}
; Should replace alloca with global as they have exactly the same size.
define void @test10_same_global() {
; CHECK-LABEL: @test10_same_global(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 dereferenceable(3) getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i64 0, i64 0), i8* nonnull align 16 dereferenceable(3) getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i64 0, i64 0), i64 3, i1 false)
; CHECK-NEXT: ret void
;
entry:
%cc = alloca [3 x i8], align 1
%cc.0..sroa_idx = getelementptr inbounds [3 x i8], [3 x i8]* %cc, i64 0, i64 0
%arraydecay = getelementptr inbounds [3 x i8], [3 x i8]* %cc, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arraydecay, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZL3KKK, i32 0, i32 0), i64 3, i1 false)
call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([1000000 x i8], [1000000 x i8]* @bbb, i32 0, i32 0), i8* %arraydecay, i64 3, i1 false)
ret void
}
attributes #0 = { null_pointer_is_valid }
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