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llvm-mirror/test/CodeGen/PowerPC/pr26617.ll
Nemanja Ivanovic 7d010d19df [PowerPC] Disable direct moves for extractelement and bitcast in 32-bit mode
This patch corresponds to review:
http://reviews.llvm.org/D17711

It disables direct moves on these operations in 32-bit mode since the patterns
assume 64-bit registers. The final patch is slightly different from the
Phabricator review as the bitcast operations needed to be disabled in 32-bit
mode as well. This fixes PR26617.

llvm-svn: 264282
2016-03-24 13:40:33 +00:00

16 lines
357 B
LLVM

; RUN: llc -mcpu=pwr8 -mtriple=powerpc-unknown-unknown < %s | FileCheck %s
define i32 @test(<4 x i32> %v, i32 %elem) #0 {
entry:
%vecext = extractelement <4 x i32> %v, i32 %elem
ret i32 %vecext
}
; CHECK: stxvw4x 34,
; CHECK: lwzx 3,
define float @test2(i32 signext %a) {
entry:
%conv = bitcast i32 %a to float
ret float %conv
}
; CHECK-NOT: mtvsr