24 lines
771 B
LLVM
24 lines
771 B
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu < %s | FileCheck %s
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; Reduced test from https://github.com/llvm/llvm-project/issues/60645.
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; To check that we are generating -32 as offset for the first store.
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define i8* @pr60645(i8* %ptr, i64 %t0) {
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; CHECK-LABEL: pr60645:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sub x8, x0, x1, lsl #2
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; CHECK-NEXT: str wzr, [x8, #-32]!
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; CHECK-NEXT: stur wzr, [x8, #-8]
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; CHECK-NEXT: ret
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%t1 = add nuw nsw i64 %t0, 8
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%t2 = mul i64 %t1, -4
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%t3 = getelementptr i8, i8* %ptr, i64 %t2
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%t4 = bitcast i8* %t3 to i32*
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store i32 0, i32* %t4, align 4
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%t5 = shl i64 %t1, 2
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%t6 = sub nuw nsw i64 -8, %t5
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%t7 = getelementptr i8, i8* %ptr, i64 %t6
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%t8 = bitcast i8* %t7 to i32*
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store i32 0, i32* %t8, align 4
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ret i8* %ptr
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}
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