derek.holloway
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29 lines
1.0 KiB
LLVM
29 lines
1.0 KiB
LLVM
; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 < %s | FileCheck %s -check-prefix GFX10
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declare <2 x half> @llvm.amdgcn.cvt.pkrtz(float, float)
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declare void @llvm.amdgcn.exp.compr.v2f16(i32 immarg, i32 immarg, <2 x half>, <2 x half>, i1 immarg, i1 immarg)
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; Check that this constant is not folded into the v_fmaak_f32 instruction.
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; GFX10-LABEL: _amdgpu_ps_main:
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; GFX10: v_mov_b32_e32 v1, 0x40490fdb
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; GFX10: v_fmaak_f32 v1, v0, v1, 0xbfc90fdb
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define amdgpu_ps void @_amdgpu_ps_main(float %arg) {
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bb:
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%i = fmul reassoc nnan nsz arcp contract afn float %arg, 0x400921FB60000000
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%i1 = fadd reassoc nnan nsz arcp contract afn float %i, 0xBFF921FB60000000
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%i2 = fmul reassoc nnan nsz arcp contract afn float %i1, %arg
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br label %bb3
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bb3:
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br label %bb4
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bb4:
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%i5 = fadd reassoc nnan nsz arcp contract afn float 0x400921FB60000000, %i2
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br label %bb6
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bb6:
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%i7 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %i5, float 0.000000e+00)
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call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 0, <2 x half> zeroinitializer, <2 x half> %i7, i1 false, i1 false)
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ret void
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}
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