Vendor import of llvm release_39 branch r276489:vendor/llvm/llvm-release_39-r276489

https://llvm.org/svn/llvm-project/llvm/branches/release_39@276489

1 files changed, 38 insertions, 34 deletions

diff --git a/test/CodeGen/AMDGPU/udivrem.ll b/test/CodeGen/AMDGPU/udivrem.ll
index f692b7dfdc27..268f3c764d6e 100644
--- a/test/CodeGen/AMDGPU/udivrem.ll
+++ b/test/CodeGen/AMDGPU/udivrem.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck --check-prefix=SI --check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck --check-prefix=SI --check-prefix=FUNC %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck --check-prefix=SI --check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck --check-prefix=EG --check-prefix=FUNC %s
 
@@ -51,11 +51,11 @@
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
 ; SI: s_endpgm
-define void @test_udivrem(i32 addrspace(1)* %out, i32 %x, i32 %y) {
+define void @test_udivrem(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 %x, i32 %y) {
   %result0 = udiv i32 %x, %y
-  store i32 %result0, i32 addrspace(1)* %out
+  store i32 %result0, i32 addrspace(1)* %out0
   %result1 = urem i32 %x, %y
-  store i32 %result1, i32 addrspace(1)* %out
+  store i32 %result1, i32 addrspace(1)* %out1
   ret void
 }
 
@@ -107,50 +107,54 @@ define void @test_udivrem(i32 addrspace(1)* %out, i32 %x, i32 %y) {
 ; EG-DAG: CNDE_INT
 ; EG-DAG: CNDE_INT
 
-; SI-DAG: v_rcp_iflag_f32_e32 [[FIRST_RCP:v[0-9]+]]
-; SI-DAG: v_mul_hi_u32 [[FIRST_RCP_HI:v[0-9]+]], [[FIRST_RCP]]
-; SI-DAG: v_mul_lo_i32 [[FIRST_RCP_LO:v[0-9]+]], [[FIRST_RCP]]
-; SI-DAG: v_sub_i32_e32 [[FIRST_NEG_RCP_LO:v[0-9]+]], vcc, 0, [[FIRST_RCP_LO]]
+; For SI, we used to have checks for the input and output registers
+; of the instructions, but these are way too fragile.  The division for
+; the two vector elements can be intermixed which makes it impossible to
+; accurately check all the operands.
+; SI-DAG: v_rcp_iflag_f32_e32
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_mul_lo_i32
+; SI-DAG: v_sub_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_mul_hi_u32 [[FIRST_E:v[0-9]+]], {{v[0-9]+}}, [[FIRST_RCP]]
-; SI-DAG: v_add_i32_e32 [[FIRST_RCP_A_E:v[0-9]+]], vcc, [[FIRST_E]], [[FIRST_RCP]]
-; SI-DAG: v_subrev_i32_e32 [[FIRST_RCP_S_E:v[0-9]+]], vcc, [[FIRST_E]], [[FIRST_RCP]]
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_mul_hi_u32 [[FIRST_Quotient:v[0-9]+]]
-; SI-DAG: v_mul_lo_i32 [[FIRST_Num_S_Remainder:v[0-9]+]]
-; SI-DAG: v_subrev_i32_e32 [[FIRST_Remainder:v[0-9]+]], vcc, [[FIRST_Num_S_Remainder]], v{{[0-9]+}}
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_mul_lo_i32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_and_b32_e32 [[FIRST_Tmp1:v[0-9]+]]
-; SI-DAG: v_add_i32_e32 [[FIRST_Quotient_A_One:v[0-9]+]], {{.*}}, [[FIRST_Quotient]]
-; SI-DAG: v_subrev_i32_e32 [[FIRST_Quotient_S_One:v[0-9]+]],
+; SI-DAG: v_and_b32_e32
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_add_i32_e32 [[FIRST_Remainder_A_Den:v[0-9]+]],
-; SI-DAG: v_subrev_i32_e32 [[FIRST_Remainder_S_Den:v[0-9]+]],
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_rcp_iflag_f32_e32 [[SECOND_RCP:v[0-9]+]]
-; SI-DAG: v_mul_hi_u32 [[SECOND_RCP_HI:v[0-9]+]], [[SECOND_RCP]]
-; SI-DAG: v_mul_lo_i32 [[SECOND_RCP_LO:v[0-9]+]], [[SECOND_RCP]]
-; SI-DAG: v_sub_i32_e32 [[SECOND_NEG_RCP_LO:v[0-9]+]], vcc, 0, [[SECOND_RCP_LO]]
+; SI-DAG: v_rcp_iflag_f32_e32
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_mul_lo_i32
+; SI-DAG: v_sub_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_mul_hi_u32 [[SECOND_E:v[0-9]+]], {{v[0-9]+}}, [[SECOND_RCP]]
-; SI-DAG: v_add_i32_e32 [[SECOND_RCP_A_E:v[0-9]+]], vcc, [[SECOND_E]], [[SECOND_RCP]]
-; SI-DAG: v_subrev_i32_e32 [[SECOND_RCP_S_E:v[0-9]+]], vcc, [[SECOND_E]], [[SECOND_RCP]]
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_mul_hi_u32 [[SECOND_Quotient:v[0-9]+]]
-; SI-DAG: v_mul_lo_i32 [[SECOND_Num_S_Remainder:v[0-9]+]]
-; SI-DAG: v_subrev_i32_e32 [[SECOND_Remainder:v[0-9]+]], vcc, [[SECOND_Num_S_Remainder]], v{{[0-9]+}}
+; SI-DAG: v_mul_hi_u32
+; SI-DAG: v_mul_lo_i32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_and_b32_e32 [[SECOND_Tmp1:v[0-9]+]]
-; SI-DAG: v_add_i32_e32 [[SECOND_Quotient_A_One:v[0-9]+]], {{.*}}, [[SECOND_Quotient]]
-; SI-DAG: v_subrev_i32_e32 [[SECOND_Quotient_S_One:v[0-9]+]],
+; SI-DAG: v_and_b32_e32
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
-; SI-DAG: v_add_i32_e32 [[SECOND_Remainder_A_Den:v[0-9]+]],
-; SI-DAG: v_subrev_i32_e32 [[SECOND_Remainder_S_Den:v[0-9]+]],
+; SI-DAG: v_add_i32_e32
+; SI-DAG: v_subrev_i32_e32
 ; SI-DAG: v_cndmask_b32_e64
 ; SI-DAG: v_cndmask_b32_e64
 ; SI: s_endpgm