aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/R600/rsq.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/R600/rsq.ll')
-rw-r--r--test/CodeGen/R600/rsq.ll26
1 files changed, 19 insertions, 7 deletions
diff --git a/test/CodeGen/R600/rsq.ll b/test/CodeGen/R600/rsq.ll
index 87c0570..d792c9f 100644
--- a/test/CodeGen/R600/rsq.ll
+++ b/test/CodeGen/R600/rsq.ll
@@ -1,11 +1,12 @@
-; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=-fp32-denormals -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=SI-UNSAFE -check-prefix=SI %s
+; RUN: llc -march=r600 -mcpu=SI -mattr=-fp32-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE -check-prefix=SI %s
declare float @llvm.sqrt.f32(float) nounwind readnone
declare double @llvm.sqrt.f64(double) nounwind readnone
-; SI-LABEL: @rsq_f32
-; SI: V_RSQ_F32_e32
-; SI: S_ENDPGM
+; SI-LABEL: {{^}}rsq_f32:
+; SI: v_rsq_f32_e32
+; SI: s_endpgm
define void @rsq_f32(float addrspace(1)* noalias %out, float addrspace(1)* noalias %in) nounwind {
%val = load float addrspace(1)* %in, align 4
%sqrt = call float @llvm.sqrt.f32(float %val) nounwind readnone
@@ -14,9 +15,10 @@ define void @rsq_f32(float addrspace(1)* noalias %out, float addrspace(1)* noali
ret void
}
-; SI-LABEL: @rsq_f64
-; SI: V_RSQ_F64_e32
-; SI: S_ENDPGM
+; SI-LABEL: {{^}}rsq_f64:
+; SI-UNSAFE: v_rsq_f64_e32
+; SI-SAFE: v_sqrt_f64_e32
+; SI: s_endpgm
define void @rsq_f64(double addrspace(1)* noalias %out, double addrspace(1)* noalias %in) nounwind {
%val = load double addrspace(1)* %in, align 4
%sqrt = call double @llvm.sqrt.f64(double %val) nounwind readnone
@@ -24,3 +26,13 @@ define void @rsq_f64(double addrspace(1)* noalias %out, double addrspace(1)* noa
store double %div, double addrspace(1)* %out, align 4
ret void
}
+
+; SI-LABEL: {{^}}rsq_f32_sgpr:
+; SI: v_rsq_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
+; SI: s_endpgm
+define void @rsq_f32_sgpr(float addrspace(1)* noalias %out, float %val) nounwind {
+ %sqrt = call float @llvm.sqrt.f32(float %val) nounwind readnone
+ %div = fdiv float 1.0, %sqrt
+ store float %div, float addrspace(1)* %out, align 4
+ ret void
+}