llvm-6502/test/CodeGen/AArch64/arm64-nvcast.ll
Arnold Schwaighofer 39fe55270a Add more nvcasts
Tim Northover has told me that they can occur when the compiler cleverly
constructs constants - as demonstrated in the test case.

rdar://21703486

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241641 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-07 23:13:18 +00:00

30 lines
806 B
LLVM

; RUN: llc < %s -mtriple=arm64-apple-ios | FileCheck %s
; CHECK-LABEL: _test:
; CHECK: fmov.2d v0, #2.00000000
; CHECK: str q0, [sp]
; CHECK: mov x8, sp
; CHECK: ldr s0, [x8, w1, sxtw #2]
; CHECK: str s0, [x0]
define void @test(float * %p1, i32 %v1) {
entry:
%v2 = extractelement <3 x float> <float 0.000000e+00, float 2.000000e+00, float 0.000000e+00>, i32 %v1
store float %v2, float* %p1, align 4
ret void
}
; CHECK-LABEL: _test2
; CHECK: movi.16b v0, #0x3f
; CHECK: str q0, [sp]
; CHECK: mov x8, sp
; CHECK: ldr s0, [x8, w1, sxtw #2]
; CHECK: str s0, [x0]
define void @test2(float * %p1, i32 %v1) {
entry:
%v2 = extractelement <3 x float> <float 0.7470588088035583, float 0.7470588088035583, float 0.7470588088035583>, i32 %v1
store float %v2, float* %p1, align 4
ret void
}