diff options
Diffstat (limited to 'test/CodeGen/AArch64/aarch64-address-type-promotion.ll')
-rw-r--r-- | test/CodeGen/AArch64/aarch64-address-type-promotion.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/aarch64-address-type-promotion.ll b/test/CodeGen/AArch64/aarch64-address-type-promotion.ll new file mode 100644 index 0000000..ee90d19 --- /dev/null +++ b/test/CodeGen/AArch64/aarch64-address-type-promotion.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -o - | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64" +target triple = "arm64-apple-macosx10.9" + +; Check that sexts get promoted above adds. +define void @foo(i32* nocapture %a, i32 %i) { +entry: +; CHECK-LABEL: _foo: +; CHECK: add +; CHECK-NEXT: ldp +; CHECK-NEXT: add +; CHECK-NEXT: str +; CHECK-NEXT: ret + %add = add nsw i32 %i, 1 + %idxprom = sext i32 %add to i64 + %arrayidx = getelementptr inbounds i32* %a, i64 %idxprom + %0 = load i32* %arrayidx, align 4 + %add1 = add nsw i32 %i, 2 + %idxprom2 = sext i32 %add1 to i64 + %arrayidx3 = getelementptr inbounds i32* %a, i64 %idxprom2 + %1 = load i32* %arrayidx3, align 4 + %add4 = add nsw i32 %1, %0 + %idxprom5 = sext i32 %i to i64 + %arrayidx6 = getelementptr inbounds i32* %a, i64 %idxprom5 + store i32 %add4, i32* %arrayidx6, align 4 + ret void +} |