| Issue |
157252
|
| Summary |
[AArch64] Assertion `!(SetNZCV && (NumPredicateVectors || NumDataVectors)) && "SetNZCV not supported with SVE vectors"' failed at -O1/O2/O3
|
| Labels |
backend:AArch64,
crash-on-valid
|
| Assignees |
|
| Reporter |
XChy
|
Reduced testcase:
```llvm
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
target triple = "aarch64-buildroot-linux-gnu"
define void @i(ptr %ad, ptr %0) #0 {
entry:
%aj = alloca i32, align 4
callbr void asm sideeffect "", "!i,!i"()
to label %asm.fallthrough [label %ah.preheader.preheader, label %ah.preheader.preheader]
ah.preheader.preheader: ; preds = %entry, %entry
%conv = xor i8 0, 1
br label %ah
asm.fallthrough: ; preds = %entry
unreachable
ah: ; preds = %asm.fallthrough2, %asm.fallthrough2, %ah, %ah.preheader.preheader
%af.2 = phi <8 x i64> [ zeroinitializer, %asm.fallthrough2 ], [ <i64 4056814946905, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0>, %ah.preheader.preheader ], [ zeroinitializer, %asm.fallthrough2 ], [ zeroinitializer, %ah ]
%vecext = extractelement <8 x i64> %af.2, i64 0
store i64 %vecext, ptr %ad, align 8
call void asm sideeffect "", "~{v11}"()
callbr void asm sideeffect "", "!i"()
to label %asm.fallthrough2 [label %ah]
asm.fallthrough2: ; preds = %ah
%call = call i32 @g()
store i8 %conv, ptr %0, align 1
%cmp = icmp ne ptr %aj, null
%conv3 = zext i1 %cmp to i32
store i32 %conv3, ptr %ad, align 4
callbr void asm sideeffect "", "!i"()
to label %ah [label %ah]
}
declare i32 @g(...)
attributes #0 = { "frame-pointer"="non-leaf" "target-features"="+sve" }
```
Godbolt link: https://godbolt.org/z/avYszEcEG
This testcase is reduced from a well-defined C program.
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