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authorStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
committerStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
commitc6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch)
tree81b7dd2bb4370a392f31d332a566c903b5744764 /test/CodeGen/R600/rsq.ll
parent19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff)
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Update LLVM for rebase to r212749.
Includes a cherry-pick of: r212948 - fixes a small issue with atomic calls Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/CodeGen/R600/rsq.ll')
-rw-r--r--test/CodeGen/R600/rsq.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/R600/rsq.ll b/test/CodeGen/R600/rsq.ll
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+++ b/test/CodeGen/R600/rsq.ll
@@ -0,0 +1,26 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -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
+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
+ %div = fdiv float 1.0, %sqrt
+ store float %div, float addrspace(1)* %out, align 4
+ ret void
+}
+
+; SI-LABEL: @rsq_f64
+; SI: V_RSQ_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
+ %div = fdiv double 1.0, %sqrt
+ store double %div, double addrspace(1)* %out, align 4
+ ret void
+}