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Diffstat (limited to 'test/CodeGen/AArch64/Redundantstore.ll')
-rw-r--r-- | test/CodeGen/AArch64/Redundantstore.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/Redundantstore.ll b/test/CodeGen/AArch64/Redundantstore.ll new file mode 100644 index 000000000000..72f7f4679e6d --- /dev/null +++ b/test/CodeGen/AArch64/Redundantstore.ll @@ -0,0 +1,25 @@ +; RUN: llc -O3 -march=aarch64 < %s | FileCheck %s + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +@end_of_array = common global i8* null, align 8 + +; CHECK-LABEL: @test +; CHECK: stur +; CHECK-NOT: stur +define i8* @test(i32 %size) { +entry: + %0 = load i8** @end_of_array, align 8 + %conv = sext i32 %size to i64 + %and = and i64 %conv, -8 + %conv2 = trunc i64 %and to i32 + %add.ptr.sum = add nsw i64 %and, -4 + %add.ptr3 = getelementptr inbounds i8* %0, i64 %add.ptr.sum + %size4 = bitcast i8* %add.ptr3 to i32* + store i32 %conv2, i32* %size4, align 4 + %add.ptr.sum9 = add nsw i64 %and, -4 + %add.ptr5 = getelementptr inbounds i8* %0, i64 %add.ptr.sum9 + %size6 = bitcast i8* %add.ptr5 to i32* + store i32 %conv2, i32* %size6, align 4 + ret i8* %0 +} + |