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llvm-mirror/test/CodeGen/X86/9601.ll
Eric Christopher 74a9e350d2 Oddly people want to use the 'r' constraint for fp constants on x86.
Fixes rdar://9218925
Fixes PR9601

llvm-svn: 131682
2011-05-19 21:33:47 +00:00

13 lines
549 B
LLVM

; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu
; PR9601
; Previously we'd crash trying to put a 32-bit float into a constraint
; for a normal 'r' register.
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-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
define void @test() {
entry:
%0 = call float asm sideeffect "xchg $0, $1", "=r,*m,0,~{memory},~{dirflag},~{fpsr},~{flags}"(i32* undef, float 2.000000e+00) nounwind
unreachable
}