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-rw-r--r--test/CodeGen/SystemZ/fp-sqrt-01.ll17
1 files changed, 16 insertions, 1 deletions
diff --git a/test/CodeGen/SystemZ/fp-sqrt-01.ll b/test/CodeGen/SystemZ/fp-sqrt-01.ll
index b6568d6f01..7465af456b 100644
--- a/test/CodeGen/SystemZ/fp-sqrt-01.ll
+++ b/test/CodeGen/SystemZ/fp-sqrt-01.ll
@@ -2,7 +2,8 @@
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-declare float @llvm.sqrt.f32(float %f)
+declare float @llvm.sqrt.f32(float)
+declare float @sqrtf(float)
; Check register square root.
define float @f1(float %val) {
@@ -152,3 +153,17 @@ define void @f7(float *%ptr) {
ret void
}
+
+; Check that a call to the normal sqrtf function is lowered.
+define float @f8(float %dummy, float %val) {
+; CHECK-LABEL: f8:
+; CHECK: sqebr %f0, %f2
+; CHECK: cebr %f0, %f0
+; CHECK: jo [[LABEL:\.L.*]]
+; CHECK: br %r14
+; CHECK: [[LABEL]]:
+; CHECK: ler %f0, %f2
+; CHECK: jg sqrtf@PLT
+ %res = tail call float @sqrtf(float %val)
+ ret float %res
+}