Revert 239644.

[oota-llvm.git] / test / CodeGen / R600 / fmax_legacy.ll

diff --git a/test/CodeGen/R600/fmax_legacy.ll b/test/CodeGen/R600/fmax_legacy.ll
index 9bfff8a7d80a55a7ff55119d840bc8d0d2d2abaa..413957d2982ac180f8a02abeca6189e9042fe13b 100644 (file)
--- a/test/CodeGen/R600/fmax_legacy.ll
+++ b/test/CodeGen/R600/fmax_legacy.ll
@@ -1,10 +1,26 @@
-; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=SI-SAFE -check-prefix=FUNC %s
+; RUN: llc -enable-no-nans-fp-math -enable-unsafe-fp-math -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI-NONAN -check-prefix=SI -check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
+; FIXME: Should replace unsafe-fp-math with no signed zeros.
+
+declare i32 @llvm.r600.read.tidig.x() #1
+
 ; FUNC-LABEL: @test_fmax_legacy_uge_f32
-; SI: v_max_legacy_f32_e32
+; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
+; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
+; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
+
 ; EG: MAX
-define void @test_fmax_legacy_uge_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
+define void @test_fmax_legacy_uge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x() #1
+  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
+
+  %a = load float, float addrspace(1)* %gep.0, align 4
+  %b = load float, float addrspace(1)* %gep.1, align 4
+
   %cmp = fcmp uge float %a, %b
   %val = select i1 %cmp, float %a, float %b
   store float %val, float addrspace(1)* %out, align 4
@@ -12,9 +28,19 @@ define void @test_fmax_legacy_uge_f32(float addrspace(1)* %out, float %a, float
 }
 
 ; FUNC-LABEL: @test_fmax_legacy_oge_f32
-; SI: v_max_legacy_f32_e32
+; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
+; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 ; EG: MAX
-define void @test_fmax_legacy_oge_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
+define void @test_fmax_legacy_oge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x() #1
+  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
+
+  %a = load float, float addrspace(1)* %gep.0, align 4
+  %b = load float, float addrspace(1)* %gep.1, align 4
+
   %cmp = fcmp oge float %a, %b
   %val = select i1 %cmp, float %a, float %b
   store float %val, float addrspace(1)* %out, align 4
@@ -22,9 +48,19 @@ define void @test_fmax_legacy_oge_f32(float addrspace(1)* %out, float %a, float
 }
 
 ; FUNC-LABEL: @test_fmax_legacy_ugt_f32
-; SI: v_max_legacy_f32_e32
+; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
+; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
+; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 ; EG: MAX
-define void @test_fmax_legacy_ugt_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
+define void @test_fmax_legacy_ugt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x() #1
+  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
+
+  %a = load float, float addrspace(1)* %gep.0, align 4
+  %b = load float, float addrspace(1)* %gep.1, align 4
+
   %cmp = fcmp ugt float %a, %b
   %val = select i1 %cmp, float %a, float %b
   store float %val, float addrspace(1)* %out, align 4
@@ -32,11 +68,49 @@ define void @test_fmax_legacy_ugt_f32(float addrspace(1)* %out, float %a, float
 }
 
 ; FUNC-LABEL: @test_fmax_legacy_ogt_f32
-; SI: v_max_legacy_f32_e32
+; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
+; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 ; EG: MAX
-define void @test_fmax_legacy_ogt_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
+define void @test_fmax_legacy_ogt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x() #1
+  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
+
+  %a = load float, float addrspace(1)* %gep.0, align 4
+  %b = load float, float addrspace(1)* %gep.1, align 4
+
   %cmp = fcmp ogt float %a, %b
   %val = select i1 %cmp, float %a, float %b
   store float %val, float addrspace(1)* %out, align 4
   ret void
 }
+
+
+; FUNC-LABEL: @test_fmax_legacy_ogt_f32_multi_use
+; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
+; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
+; SI-NOT: v_max_
+; SI: v_cmp_gt_f32
+; SI-NEXT: v_cndmask_b32
+; SI-NOT: v_max_
+
+; EG: MAX
+define void @test_fmax_legacy_ogt_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 {
+  %tid = call i32 @llvm.r600.read.tidig.x() #1
+  %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
+
+  %a = load float, float addrspace(1)* %gep.0, align 4
+  %b = load float, float addrspace(1)* %gep.1, align 4
+
+  %cmp = fcmp ogt float %a, %b
+  %val = select i1 %cmp, float %a, float %b
+  store float %val, float addrspace(1)* %out0, align 4
+  store i1 %cmp, i1addrspace(1)* %out1
+  ret void
+}
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }