[llvm] 5531f24 - [AMDGPU] Make OMod explicit for V_CVT_{U,I}*
Joe Nash via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 2 10:40:06 PST 2021
Author: Joe Nash
Date: 2021-03-02T13:32:06-05:00
New Revision: 5531f24cc2cc41178d82b2737f2dea8c43acee64
URL: https://github.com/llvm/llvm-project/commit/5531f24cc2cc41178d82b2737f2dea8c43acee64
DIFF: https://github.com/llvm/llvm-project/commit/5531f24cc2cc41178d82b2737f2dea8c43acee64.diff
LOG: [AMDGPU] Make OMod explicit for V_CVT_{U,I}*
Make OMod explicit instead of implied by HasModifiers in the
operand list. Requires explicitly setting HasOMod=1 for
irregular OMod usage in instruction V_CVT_{U,I}*
Reviewed By: foad
Differential Revision: https://reviews.llvm.org/D97587
Change-Id: I230e1476f529e816eec60e242531f23a99e3839f
Added:
Modified:
llvm/lib/Target/AMDGPU/SIInstrInfo.td
llvm/lib/Target/AMDGPU/VOP1Instructions.td
llvm/test/MC/AMDGPU/gfx10_asm_vop1.s
llvm/test/MC/AMDGPU/gfx9_asm_vop3.s
llvm/test/MC/AMDGPU/vop3-errs.s
Removed:
################################################################################
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.td b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
index ec844fcddcb3..0082a74e7d2a 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrInfo.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
@@ -1623,8 +1623,11 @@ class getIns64 <RegisterOperand Src0RC, RegisterOperand Src1RC,
!if (!eq(NumSrcArgs, 1),
!if (HasModifiers,
// VOP1 with modifiers
- (ins Src0Mod:$src0_modifiers, Src0RC:$src0,
- clampmod0:$clamp, omod0:$omod)
+ !if(HasOMod,
+ (ins Src0Mod:$src0_modifiers, Src0RC:$src0,
+ clampmod0:$clamp, omod0:$omod),
+ (ins Src0Mod:$src0_modifiers, Src0RC:$src0,
+ clampmod0:$clamp))
/* else */,
// VOP1 without modifiers
!if (HasClamp,
diff --git a/llvm/lib/Target/AMDGPU/VOP1Instructions.td b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
index 5ba0723ba24b..b8f57c9f0344 100644
--- a/llvm/lib/Target/AMDGPU/VOP1Instructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
@@ -144,6 +144,15 @@ def VOP1_F64_I32 : VOPProfileI2F <f64, i32>;
def VOP1_F32_I32 : VOPProfileI2F <f32, i32>;
def VOP1_F16_I16 : VOPProfileI2F <f16, i16>;
+class VOP_SPECIAL_OMOD_PROF<ValueType dstVt, ValueType srcVt> :
+ VOPProfile<[dstVt, srcVt, untyped, untyped]> {
+
+ let HasOMod = 1;
+}
+def VOP_I32_F32_SPECIAL_OMOD : VOP_SPECIAL_OMOD_PROF<i32, f32>;
+def VOP_I32_F64_SPECIAL_OMOD : VOP_SPECIAL_OMOD_PROF<i32, f64>;
+def VOP_I16_F16_SPECIAL_OMOD : VOP_SPECIAL_OMOD_PROF<i16, f16>;
+
//===----------------------------------------------------------------------===//
// VOP1 Instructions
//===----------------------------------------------------------------------===//
@@ -188,7 +197,8 @@ def V_READFIRSTLANE_B32 :
}
let SchedRW = [WriteDoubleCvt] in {
-defm V_CVT_I32_F64 : VOP1Inst <"v_cvt_i32_f64", VOP_I32_F64, fp_to_sint>;
+// OMod clears exceptions when set in this instruction
+defm V_CVT_I32_F64 : VOP1Inst <"v_cvt_i32_f64", VOP_I32_F64_SPECIAL_OMOD, fp_to_sint>;
let mayRaiseFPException = 0 in {
defm V_CVT_F64_I32 : VOP1Inst <"v_cvt_f64_i32", VOP1_F64_I32, sint_to_fp>;
@@ -196,7 +206,8 @@ defm V_CVT_F64_I32 : VOP1Inst <"v_cvt_f64_i32", VOP1_F64_I32, sint_to_fp>;
defm V_CVT_F32_F64 : VOP1Inst <"v_cvt_f32_f64", VOP_F32_F64, fpround>;
defm V_CVT_F64_F32 : VOP1Inst <"v_cvt_f64_f32", VOP_F64_F32, fpextend>;
-defm V_CVT_U32_F64 : VOP1Inst <"v_cvt_u32_f64", VOP_I32_F64, fp_to_uint>;
+// OMod clears exceptions when set in this instruction
+defm V_CVT_U32_F64 : VOP1Inst <"v_cvt_u32_f64", VOP_I32_F64_SPECIAL_OMOD, fp_to_uint>;
let mayRaiseFPException = 0 in {
defm V_CVT_F64_U32 : VOP1Inst <"v_cvt_f64_u32", VOP1_F64_I32, uint_to_fp>;
@@ -213,8 +224,9 @@ defm V_CVT_F32_I32 : VOP1Inst <"v_cvt_f32_i32", VOP1_F32_I32, sint_to_fp>;
defm V_CVT_F32_U32 : VOP1Inst <"v_cvt_f32_u32", VOP1_F32_I32, uint_to_fp>;
}
-defm V_CVT_U32_F32 : VOP1Inst <"v_cvt_u32_f32", VOP_I32_F32, fp_to_uint>;
-defm V_CVT_I32_F32 : VOP1Inst <"v_cvt_i32_f32", VOP_I32_F32, fp_to_sint>;
+// OMod clears exceptions when set in these 2 instructions
+defm V_CVT_U32_F32 : VOP1Inst <"v_cvt_u32_f32", VOP_I32_F32_SPECIAL_OMOD, fp_to_uint>;
+defm V_CVT_I32_F32 : VOP1Inst <"v_cvt_i32_f32", VOP_I32_F32_SPECIAL_OMOD, fp_to_sint>;
let FPDPRounding = 1 in {
defm V_CVT_F16_F32 : VOP1Inst <"v_cvt_f16_f32", VOP_F16_F32, fpround>;
} // End FPDPRounding = 1
@@ -268,7 +280,7 @@ defm V_FFBL_B32 : VOP1Inst <"v_ffbl_b32", VOP_I32_I32, AMDGPUffbl_b32>;
defm V_FFBH_I32 : VOP1Inst <"v_ffbh_i32", VOP_I32_I32, AMDGPUffbh_i32>;
let SchedRW = [WriteDoubleAdd] in {
-defm V_FREXP_EXP_I32_F64 : VOP1Inst <"v_frexp_exp_i32_f64", VOP_I32_F64, int_amdgcn_frexp_exp>;
+defm V_FREXP_EXP_I32_F64 : VOP1Inst <"v_frexp_exp_i32_f64", VOP_I32_F64_SPECIAL_OMOD, int_amdgcn_frexp_exp>;
defm V_FREXP_MANT_F64 : VOP1Inst <"v_frexp_mant_f64", VOP_F64_F64, int_amdgcn_frexp_mant>;
let FPDPRounding = 1 in {
defm V_FRACT_F64 : VOP1Inst <"v_fract_f64", VOP_F64_F64, AMDGPUfract>;
@@ -381,8 +393,9 @@ let FPDPRounding = 1 in {
defm V_CVT_F16_U16 : VOP1Inst <"v_cvt_f16_u16", VOP1_F16_I16, uint_to_fp>;
defm V_CVT_F16_I16 : VOP1Inst <"v_cvt_f16_i16", VOP1_F16_I16, sint_to_fp>;
} // End FPDPRounding = 1
-defm V_CVT_U16_F16 : VOP1Inst <"v_cvt_u16_f16", VOP_I16_F16, fp_to_uint>;
-defm V_CVT_I16_F16 : VOP1Inst <"v_cvt_i16_f16", VOP_I16_F16, fp_to_sint>;
+// OMod clears exceptions when set in these two instructions
+defm V_CVT_U16_F16 : VOP1Inst <"v_cvt_u16_f16", VOP_I16_F16_SPECIAL_OMOD, fp_to_uint>;
+defm V_CVT_I16_F16 : VOP1Inst <"v_cvt_i16_f16", VOP_I16_F16_SPECIAL_OMOD, fp_to_sint>;
let TRANS = 1, SchedRW = [WriteTrans32] in {
defm V_RCP_F16 : VOP1Inst <"v_rcp_f16", VOP_F16_F16, AMDGPUrcp>;
defm V_SQRT_F16 : VOP1Inst <"v_sqrt_f16", VOP_F16_F16, any_amdgcn_sqrt>;
@@ -393,7 +406,7 @@ defm V_SIN_F16 : VOP1Inst <"v_sin_f16", VOP_F16_F16, AMDGPUsin>;
defm V_COS_F16 : VOP1Inst <"v_cos_f16", VOP_F16_F16, AMDGPUcos>;
} // End TRANS = 1, SchedRW = [WriteTrans32]
defm V_FREXP_MANT_F16 : VOP1Inst <"v_frexp_mant_f16", VOP_F16_F16, int_amdgcn_frexp_mant>;
-defm V_FREXP_EXP_I16_F16 : VOP1Inst <"v_frexp_exp_i16_f16", VOP_I16_F16, int_amdgcn_frexp_exp>;
+defm V_FREXP_EXP_I16_F16 : VOP1Inst <"v_frexp_exp_i16_f16", VOP_I16_F16_SPECIAL_OMOD, int_amdgcn_frexp_exp>;
defm V_FLOOR_F16 : VOP1Inst <"v_floor_f16", VOP_F16_F16, ffloor>;
defm V_CEIL_F16 : VOP1Inst <"v_ceil_f16", VOP_F16_F16, fceil>;
defm V_TRUNC_F16 : VOP1Inst <"v_trunc_f16", VOP_F16_F16, ftrunc>;
@@ -437,8 +450,8 @@ let SubtargetPredicate = isGFX9Plus in {
defm V_SAT_PK_U8_I16 : VOP1Inst<"v_sat_pk_u8_i16", VOP_I32_I32>;
let mayRaiseFPException = 0 in {
- defm V_CVT_NORM_I16_F16 : VOP1Inst<"v_cvt_norm_i16_f16", VOP_I16_F16>;
- defm V_CVT_NORM_U16_F16 : VOP1Inst<"v_cvt_norm_u16_f16", VOP_I16_F16>;
+ defm V_CVT_NORM_I16_F16 : VOP1Inst<"v_cvt_norm_i16_f16", VOP_I16_F16_SPECIAL_OMOD>;
+ defm V_CVT_NORM_U16_F16 : VOP1Inst<"v_cvt_norm_u16_f16", VOP_I16_F16_SPECIAL_OMOD>;
} // End mayRaiseFPException = 0
} // End SubtargetPredicate = isGFX9Plus
diff --git a/llvm/test/MC/AMDGPU/gfx10_asm_vop1.s b/llvm/test/MC/AMDGPU/gfx10_asm_vop1.s
index 469eb31637f0..799eff52dae5 100644
--- a/llvm/test/MC/AMDGPU/gfx10_asm_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx10_asm_vop1.s
@@ -367,6 +367,12 @@ v_cvt_i32_f64_e64 v5, |v[1:2]|
v_cvt_i32_f64_e64 v5, v[1:2] clamp
// GFX10: encoding: [0x05,0x80,0x83,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_i32_f64_e64 v5, s[4:5] mul:2
+// GFX10: encoding: [0x05,0x00,0x83,0xd5,0x04,0x00,0x00,0x08]
+
+v_cvt_i32_f64_e64 v5, v[1:2] clamp div:2
+// GFX10: encoding: [0x05,0x80,0x83,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_f64_i32_e32 v[5:6], v1
// GFX10: encoding: [0x01,0x09,0x0a,0x7e]
@@ -1126,6 +1132,12 @@ v_cvt_u32_f32_e64 v5, |v1|
v_cvt_u32_f32_e64 v5, v1 clamp
// GFX10: encoding: [0x05,0x80,0x87,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_u32_f32_e64 v5, s1 mul:2
+// GFX10: encoding: [0x05,0x00,0x87,0xd5,0x01,0x00,0x00,0x08]
+
+v_cvt_u32_f32_e64 v5, v1 clamp div:2
+// GFX10: encoding: [0x05,0x80,0x87,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_u32_f32_sdwa v5, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD
// GFX10: encoding: [0xf9,0x0e,0x0a,0x7e,0x01,0x06,0x06,0x00]
@@ -1393,6 +1405,12 @@ v_cvt_i32_f32_e64 v5, |v1|
v_cvt_i32_f32_e64 v5, v1 clamp
// GFX10: encoding: [0x05,0x80,0x88,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_i32_f32_e64 v5, v1 mul:2
+// GFX10: encoding: [0x05,0x00,0x88,0xd5,0x01,0x01,0x00,0x08]
+
+v_cvt_i32_f32_e64 v5, v1 clamp div:2
+// GFX10: encoding: [0x05,0x80,0x88,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_i32_f32_sdwa v5, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD
// GFX10: encoding: [0xf9,0x10,0x0a,0x7e,0x01,0x06,0x06,0x00]
@@ -4330,6 +4348,12 @@ v_cvt_u32_f64_e64 v5, |v[1:2]|
v_cvt_u32_f64_e64 v5, v[1:2] clamp
// GFX10: encoding: [0x05,0x80,0x95,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_u32_f64_e64 v5, s[4:5] mul:2
+// GFX10: encoding: [0x05,0x00,0x95,0xd5,0x04,0x00,0x00,0x08]
+
+v_cvt_u32_f64_e64 v5, v[1:2] clamp div:2
+// GFX10: encoding: [0x05,0x80,0x95,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_f64_u32 v[5:6], v1
// GFX10: encoding: [0x01,0x2d,0x0a,0x7e]
@@ -11719,6 +11743,12 @@ v_cvt_u16_f16_e64 v5, |v1|
v_cvt_u16_f16_e64 v5, v1 clamp
// GFX10: encoding: [0x05,0x80,0xd2,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_u16_f16_e64 v5, s1 mul:2
+// GFX10: encoding: [0x05,0x00,0xd2,0xd5,0x01,0x00,0x00,0x08]
+
+v_cvt_u16_f16_e64 v5, v1 clamp div:2
+// GFX10: encoding: [0x05,0x80,0xd2,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_u16_f16_sdwa v5, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD
// GFX10: encoding: [0xf9,0xa4,0x0a,0x7e,0x01,0x06,0x06,0x00]
@@ -11974,6 +12004,12 @@ v_cvt_i16_f16_e64 v5, |v1|
v_cvt_i16_f16_e64 v5, v1 clamp
// GFX10: encoding: [0x05,0x80,0xd3,0xd5,0x01,0x01,0x00,0x00]
+v_cvt_i16_f16_e64 v5, v1 mul:2
+// GFX10: encoding: [0x05,0x00,0xd3,0xd5,0x01,0x01,0x00,0x08]
+
+v_cvt_i16_f16_e64 v5, v1 clamp div:2
+// GFX10: encoding: [0x05,0x80,0xd3,0xd5,0x01,0x01,0x00,0x18]
+
v_cvt_i16_f16_sdwa v5, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:DWORD
// GFX10: encoding: [0xf9,0xa6,0x0a,0x7e,0x01,0x06,0x06,0x00]
diff --git a/llvm/test/MC/AMDGPU/gfx9_asm_vop3.s b/llvm/test/MC/AMDGPU/gfx9_asm_vop3.s
index ab5b827cda86..bfed5e309d03 100644
--- a/llvm/test/MC/AMDGPU/gfx9_asm_vop3.s
+++ b/llvm/test/MC/AMDGPU/gfx9_asm_vop3.s
@@ -258,6 +258,12 @@ v_cvt_i32_f64_e64 v5, |v[1:2]|
v_cvt_i32_f64_e64 v5, v[1:2] clamp
// CHECK: [0x05,0x80,0x43,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_i32_f64_e64 v5, s[4:5] mul:2
+// CHECK: [0x05,0x00,0x43,0xd1,0x04,0x00,0x00,0x08]
+
+v_cvt_i32_f64_e64 v5, v[1:2] clamp div:2
+// CHECK: [0x05,0x80,0x43,0xd1,0x01,0x01,0x00,0x18]
+
v_cvt_f64_i32_e64 v[5:6], v1
// CHECK: [0x05,0x00,0x44,0xd1,0x01,0x01,0x00,0x00]
@@ -555,6 +561,12 @@ v_cvt_u32_f32_e64 v5, |v1|
v_cvt_u32_f32_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x47,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_u32_f32_e64 v5, s1 mul:2
+// CHECK: [0x05,0x00,0x47,0xd1,0x01,0x00,0x00,0x08]
+
+v_cvt_u32_f32_e64 v5, v1 clamp div:2
+// CHECK: [0x05,0x80,0x47,0xd1,0x01,0x01,0x00,0x18]
+
v_cvt_i32_f32_e64 v5, v1
// CHECK: [0x05,0x00,0x48,0xd1,0x01,0x01,0x00,0x00]
@@ -627,6 +639,12 @@ v_cvt_i32_f32_e64 v5, |v1|
v_cvt_i32_f32_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x48,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_i32_f32_e64 v5, v1 mul:2
+// CHECK: [0x05,0x00,0x48,0xd1,0x01,0x01,0x00,0x08]
+
+v_cvt_i32_f32_e64 v5, v1 clamp div:2
+// CHECK: [0x05,0x80,0x48,0xd1,0x01,0x01,0x00,0x18]
+
v_cvt_f16_f32_e64 v5, v1
// CHECK: [0x05,0x00,0x4a,0xd1,0x01,0x01,0x00,0x00]
@@ -1512,6 +1530,12 @@ v_cvt_u32_f64_e64 v5, |v[1:2]|
v_cvt_u32_f64_e64 v5, v[1:2] clamp
// CHECK: [0x05,0x80,0x55,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_u32_f64_e64 v5, s[4:5] mul:2
+// CHECK: [0x05,0x00,0x55,0xd1,0x04,0x00,0x00,0x08]
+
+v_cvt_u32_f64_e64 v5, v[1:2] clamp div:2
+// CHECK: [0x05,0x80,0x55,0xd1,0x01,0x01,0x00,0x18]
+
v_cvt_f64_u32_e64 v[5:6], v1
// CHECK: [0x05,0x00,0x56,0xd1,0x01,0x01,0x00,0x00]
@@ -3495,6 +3519,9 @@ v_frexp_exp_i32_f64_e64 v5, -v[1:2]
v_frexp_exp_i32_f64_e64 v5, |v[1:2]|
// CHECK: [0x05,0x01,0x70,0xd1,0x01,0x01,0x00,0x00]
+v_frexp_exp_i32_f64_e64 v5, s[4:5] mul:2
+// CHECK: [0x05,0x00,0x70,0xd1,0x04,0x00,0x00,0x08]
+
v_frexp_mant_f64_e64 v[5:6], v[1:2]
// CHECK: [0x05,0x00,0x71,0xd1,0x01,0x01,0x00,0x00]
@@ -4041,6 +4068,12 @@ v_cvt_u16_f16_e64 v5, |v1|
v_cvt_u16_f16_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x7b,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_u16_f16_e64 v5, s1 mul:2
+// CHECK: [0x05,0x00,0x7b,0xd1,0x01,0x00,0x00,0x08]
+
+v_cvt_u16_f16_e64 v5, v1 clamp div:2
+// CHECK: [0x05,0x80,0x7b,0xd1,0x01,0x01,0x00,0x18]
+
v_cvt_i16_f16_e64 v5, v1
// CHECK: [0x05,0x00,0x7c,0xd1,0x01,0x01,0x00,0x00]
@@ -4113,6 +4146,12 @@ v_cvt_i16_f16_e64 v5, |v1|
v_cvt_i16_f16_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x7c,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_i16_f16_e64 v5, v1 mul:2
+// CHECK: [0x05,0x00,0x7c,0xd1,0x01,0x01,0x00,0x08]
+
+v_cvt_i16_f16_e64 v5, v1 clamp div:2
+// CHECK: [0x05,0x80,0x7c,0xd1,0x01,0x01,0x00,0x18]
+
v_rcp_f16_e64 v5, v1
// CHECK: [0x05,0x00,0x7d,0xd1,0x01,0x01,0x00,0x00]
@@ -4614,6 +4653,9 @@ v_frexp_exp_i16_f16_e64 v5, -v1
v_frexp_exp_i16_f16_e64 v5, |v1|
// CHECK: [0x05,0x01,0x83,0xd1,0x01,0x01,0x00,0x00]
+v_frexp_exp_i16_f16_e64 v5, s1 mul:2
+// CHECK: [0x05,0x00,0x83,0xd1,0x01,0x00,0x00,0x08]
+
v_floor_f16_e64 v5, v1
// CHECK: [0x05,0x00,0x84,0xd1,0x01,0x01,0x00,0x00]
@@ -5352,6 +5394,9 @@ v_cvt_norm_i16_f16_e64 v5, |v1|
v_cvt_norm_i16_f16_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x8d,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_norm_i16_f16_e64 v5, v1 mul:2
+// CHECK: [0x05,0x00,0x8d,0xd1,0x01,0x01,0x00,0x08]
+
v_cvt_norm_u16_f16_e64 v5, v1
// CHECK: [0x05,0x00,0x8e,0xd1,0x01,0x01,0x00,0x00]
@@ -5424,6 +5469,9 @@ v_cvt_norm_u16_f16_e64 v5, |v1|
v_cvt_norm_u16_f16_e64 v5, v1 clamp
// CHECK: [0x05,0x80,0x8e,0xd1,0x01,0x01,0x00,0x00]
+v_cvt_norm_u16_f16_e64 v5, v1 mul:2
+// CHECK: [0x05,0x00,0x8e,0xd1,0x01,0x01,0x00,0x08]
+
v_sat_pk_u8_i16_e64 v5, v1
// CHECK: [0x05,0x00,0x8f,0xd1,0x01,0x01,0x00,0x00]
diff --git a/llvm/test/MC/AMDGPU/vop3-errs.s b/llvm/test/MC/AMDGPU/vop3-errs.s
index 2d7d1a9937b2..e3e12d05f220 100644
--- a/llvm/test/MC/AMDGPU/vop3-errs.s
+++ b/llvm/test/MC/AMDGPU/vop3-errs.s
@@ -43,9 +43,6 @@ v_cmp_eq_f32_e64 vcc, v0, v1 mul:2
v_cmp_le_f64_e64 vcc, v0, v1 mul:4
// GCN: error: invalid operand for instruction
-v_cvt_u32_f32_e64 v0, v1 div:2
-// GCN: error: invalid operand for instruction
-
//
// mul
//
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