; RUN: opt -gvn -S -o - %s | FileCheck %s | |
; RUN: opt -newgvn -S -o - %s | FileCheck %s | |
; Test that the constantfolding getelementptr computation results in | |
; j[5][4][1] (j+239) | |
; and not [1][4][4][1] (#449) which is an incorrect out-of-range error | |
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" | |
target triple = "armv7-none-eabi" | |
@f = local_unnamed_addr global i32 2, align 4 | |
@t6 = local_unnamed_addr global i32 1, align 4 | |
@j = local_unnamed_addr global [6 x [6 x [7 x i8]]] [[6 x [7 x i8]] [[7 x i8] c"\06\00\00\00\00\00\00", [7 x i8] zeroinitializer, [7 x i8] zeroinitializer, [7 x i8] zeroinitializer, [7 x i8] zeroinitializer, [7 x i8] zeroinitializer], [6 x [7 x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer], align 1 | |
@p = internal global i64 0, align 8 | |
@y = local_unnamed_addr global i64* @p, align 4 | |
@b = internal unnamed_addr global i32 0, align 4 | |
@h = common local_unnamed_addr global i16 0, align 2 | |
@a = common local_unnamed_addr global i32 0, align 4 | |
@k = common local_unnamed_addr global i32 0, align 4 | |
@t11 = common local_unnamed_addr global i32 0, align 4 | |
; Function Attrs: nounwind | |
define i32 @main() local_unnamed_addr { | |
entry: | |
%0 = load i32, i32* @t6, align 4 | |
%inc = add nsw i32 %0, 1 | |
store i32 %inc, i32* @t6, align 4 | |
store i16 4, i16* @h, align 2 | |
%1 = load i32, i32* @a, align 4 | |
%conv = trunc i32 %1 to i8 | |
store i32 1, i32* @f, align 4 | |
%2 = load i64, i64* @p, align 8 | |
%cmp4 = icmp slt i64 %2, 2 | |
%conv6 = zext i1 %cmp4 to i8 | |
%3 = load i16, i16* @h, align 2 | |
%conv7 = sext i16 %3 to i32 | |
%add = add nsw i32 %conv7, 1 | |
%f.promoted = load i32, i32* @f, align 4 | |
%4 = mul i32 %conv7, 7 | |
%5 = add i32 %4, 5 | |
%6 = sub i32 -1, %f.promoted | |
%7 = icmp sgt i32 %6, -2 | |
%smax = select i1 %7, i32 %6, i32 -2 | |
%8 = sub i32 6, %smax | |
%scevgep = getelementptr [6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j, i32 0, i32 0, i32 %5, i32 %8 | |
%9 = add i32 %f.promoted, %smax | |
%10 = add i32 %9, 2 | |
call void @llvm.memset.p0i8.i32(i8* %scevgep, i8 %conv6, i32 %10, i1 false) | |
; CHECK: call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j, i32 0, i{{32|64}} 5, i{{32|64}} 4, i32 1), i8 %conv6, i32 1, i1 false) | |
; CHECK-NOT: call void @llvm.memset.p0i8.i32(i8* getelementptr ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j, i64 1, i64 4, i64 4, i32 1) | |
ret i32 0 | |
} | |
; Function Attrs: argmemonly nounwind | |
declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) |