llvm-project/llvm/test/Transforms/Inline/alloca-merge-align-nodl.ll

94 lines
2.9 KiB
LLVM

; RUN: opt < %s -inline -S | FileCheck %s
; This variant of the test has no data layout information.
target triple = "powerpc64-unknown-linux-gnu"
%struct.s = type { i32, i32 }
define void @foo(%struct.s* byval nocapture readonly %a) {
entry:
%x = alloca [2 x i32], align 4
%a1 = getelementptr inbounds %struct.s* %a, i64 0, i32 0
%0 = load i32* %a1, align 4, !tbaa !0
%arrayidx = getelementptr inbounds [2 x i32]* %x, i64 0, i64 0
store i32 %0, i32* %arrayidx, align 4, !tbaa !0
%b = getelementptr inbounds %struct.s* %a, i64 0, i32 1
%1 = load i32* %b, align 4, !tbaa !0
%arrayidx2 = getelementptr inbounds [2 x i32]* %x, i64 0, i64 1
store i32 %1, i32* %arrayidx2, align 4, !tbaa !0
call void @bar(i32* %arrayidx) #2
ret void
}
define void @foo0(%struct.s* byval nocapture readonly %a) {
entry:
%x = alloca [2 x i32]
%a1 = getelementptr inbounds %struct.s* %a, i64 0, i32 0
%0 = load i32* %a1, align 4, !tbaa !0
%arrayidx = getelementptr inbounds [2 x i32]* %x, i64 0, i64 0
store i32 %0, i32* %arrayidx, align 4, !tbaa !0
%b = getelementptr inbounds %struct.s* %a, i64 0, i32 1
%1 = load i32* %b, align 4, !tbaa !0
%arrayidx2 = getelementptr inbounds [2 x i32]* %x, i64 0, i64 1
store i32 %1, i32* %arrayidx2, align 4, !tbaa !0
call void @bar(i32* %arrayidx) #2
ret void
}
declare void @bar(i32*) #1
define void @goo(%struct.s* byval nocapture readonly %a) {
entry:
%x = alloca [2 x i32], align 32
%a1 = getelementptr inbounds %struct.s* %a, i64 0, i32 0
%0 = load i32* %a1, align 4, !tbaa !0
%arrayidx = getelementptr inbounds [2 x i32]* %x, i64 0, i64 0
store i32 %0, i32* %arrayidx, align 32, !tbaa !0
%b = getelementptr inbounds %struct.s* %a, i64 0, i32 1
%1 = load i32* %b, align 4, !tbaa !0
%arrayidx2 = getelementptr inbounds [2 x i32]* %x, i64 0, i64 1
store i32 %1, i32* %arrayidx2, align 4, !tbaa !0
call void @bar(i32* %arrayidx) #2
ret void
}
; CHECK-LABEL: @main
; CHECK: alloca [2 x i32], align 32
; CHECK-NOT: alloca [2 x i32]
; CHECK: ret i32 0
define signext i32 @main() {
entry:
%a = alloca i64, align 8
%tmpcast = bitcast i64* %a to %struct.s*
store i64 0, i64* %a, align 8
%a1 = bitcast i64* %a to i32*
store i32 1, i32* %a1, align 8, !tbaa !0
call void @foo(%struct.s* byval %tmpcast)
store i32 2, i32* %a1, align 8, !tbaa !0
call void @goo(%struct.s* byval %tmpcast)
ret i32 0
}
; CHECK-LABEL: @test0
; CHECK: alloca [2 x i32], align 32
; CHECK: alloca [2 x i32]
; CHECK: ret i32 0
define signext i32 @test0() {
entry:
%a = alloca i64, align 8
%tmpcast = bitcast i64* %a to %struct.s*
store i64 0, i64* %a, align 8
%a1 = bitcast i64* %a to i32*
store i32 1, i32* %a1, align 8, !tbaa !0
call void @foo0(%struct.s* byval %tmpcast)
store i32 2, i32* %a1, align 8, !tbaa !0
call void @goo(%struct.s* byval %tmpcast)
ret i32 0
}
!0 = metadata !{metadata !"int", metadata !1}
!1 = metadata !{metadata !"omnipotent char", metadata !2}
!2 = metadata !{metadata !"Simple C/C++ TBAA"}