1 files changed, 41 insertions, 10 deletions
diff --git a/test/CodeGen/R600/fmin_legacy.ll b/test/CodeGen/R600/fmin_legacy.ll
index 2fbdb6b..5014f6c 100644
--- a/test/CodeGen/R600/fmin_legacy.ll
+++ b/test/CodeGen/R600/fmin_legacy.ll
@@ -1,11 +1,15 @@
-; 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-SAFE -check-prefix=SI -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_fmin_legacy_f32
 ; EG: MIN *
-; SI: v_min_legacy_f32_e32
+; SI-SAFE: v_min_legacy_f32_e32
+; SI-NONAN: v_min_f32_e32
 define void @test_fmin_legacy_f32(<4 x float> addrspace(1)* %out, <4 x float> inreg %reg0) #0 {
    %r0 = extractelement <4 x float> %reg0, i32 0
    %r1 = extractelement <4 x float> %reg0, i32 1
@@ -18,8 +22,9 @@ define void @test_fmin_legacy_f32(<4 x float> addrspace(1)* %out, <4 x float> in
 
 ; FUNC-LABEL: @test_fmin_legacy_ule_f32
 ; 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:0x4
-; SI: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; 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_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
+; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 define void @test_fmin_legacy_ule_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
@@ -36,8 +41,9 @@ define void @test_fmin_legacy_ule_f32(float addrspace(1)* %out, float addrspace(
 
 ; FUNC-LABEL: @test_fmin_legacy_ole_f32
 ; 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:0x4
-; SI: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; 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_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 define void @test_fmin_legacy_ole_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
@@ -54,8 +60,9 @@ define void @test_fmin_legacy_ole_f32(float addrspace(1)* %out, float addrspace(
 
 ; FUNC-LABEL: @test_fmin_legacy_olt_f32
 ; 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:0x4
-; SI: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; 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_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 define void @test_fmin_legacy_olt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
@@ -72,8 +79,9 @@ define void @test_fmin_legacy_olt_f32(float addrspace(1)* %out, float addrspace(
 
 ; FUNC-LABEL: @test_fmin_legacy_ult_f32
 ; 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:0x4
-; SI: v_min_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]]
+; 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_min_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
+; SI-NONAN: v_min_f32_e32 {{v[0-9]+}}, [[B]], [[A]]
 define void @test_fmin_legacy_ult_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
   %tid = call i32 @llvm.r600.read.tidig.x() #1
   %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid
@@ -88,5 +96,28 @@ define void @test_fmin_legacy_ult_f32(float addrspace(1)* %out, float addrspace(
   ret void
 }
 
+; FUNC-LABEL: @test_fmin_legacy_ole_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_min
+; SI: v_cmp_le_f32
+; SI-NEXT: v_cndmask_b32
+; SI-NOT: v_min
+; SI: s_endpgm
+define void @test_fmin_legacy_ole_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 addrspace(1)* %in, i32 %tid
+  %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1
+
+  %a = load float addrspace(1)* %gep.0, align 4
+  %b = load float addrspace(1)* %gep.1, align 4
+
+  %cmp = fcmp ole float %a, %b
+  %val0 = select i1 %cmp, float %a, float %b
+  store float %val0, float addrspace(1)* %out0, align 4
+  store i1 %cmp, i1 addrspace(1)* %out1
+  ret void
+}
+
 attributes #0 = { nounwind }
 attributes #1 = { nounwind readnone }