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llvm-mirror/test/MC/AMDGPU/inline-imm-inv2pi.s
Matt Arsenault 26302faafc AMDGPU: Don't assert on f16 inv2pi immediates pre-gfx8
v_cvt_f32_f16 can still accept this value as a literal constant. This
showed up in GlobalISel since it doesn't have constant folding for
G_FPEXT.
2020-07-22 13:59:03 -04:00

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ArmAsm

// RUN: llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s | FileCheck -check-prefix=SI %s
// RUN: llvm-mc -arch=amdgcn -mcpu=tonga -show-encoding %s | FileCheck -check-prefix=VI %s
// The value inv2pi should not assert on any targets, but is
// printed differently depending on whether it's a legal inline
// immediate or not.
// SI: v_cvt_f32_f16_e32 v0, 0x3118 ; encoding: [0xff,0x16,0x00,0x7e,0x18,0x31,0x00,0x00]
// VI: v_cvt_f32_f16_e32 v0, 0.15915494 ; encoding: [0xf8,0x16,0x00,0x7e]
v_cvt_f32_f16_e32 v0, 0x3118