a4796b14fc
At the moment the following piece of code causes undefined behavior:
```
int a;
void b() {
register float d2 asm("d2") = a;
asm("" ::"r"(d2));
}
```
This happens because variable and register types are incompatible.
18 lines
463 B
LLVM
18 lines
463 B
LLVM
; RUN: llc -filetype=asm %s -o - | FileCheck %s
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; CHECK: movw r0, :lower16:a
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; CHECK-NEXT: movt r0, :upper16:a
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; CHECK-NEXT: vldr s6, [r0]
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv8a-unknown-linux-gnueabihf"
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@a = local_unnamed_addr global i32 0, align 4
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define void @_Z1dv() local_unnamed_addr {
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entry:
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%0 = load i32, ptr @a, align 4
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tail call void asm sideeffect "", "{s6}"(i32 %0)
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ret void
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}
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