summaryrefslogtreecommitdiff
path: root/test/CodeGen/SystemZ/fp-const-02.ll
diff options
context:
space:
mode:
authorUlrich Weigand <ulrich.weigand@de.ibm.com>2013-05-06 16:17:29 +0000
committerUlrich Weigand <ulrich.weigand@de.ibm.com>2013-05-06 16:17:29 +0000
commitb503b49b5105b6aad7d2a015468b84b0f64dfe8e (patch)
treea60966043fae51838cb2faa08531a7ed078e4fb6 /test/CodeGen/SystemZ/fp-const-02.ll
parent1d09d56fe1e3f3faadd4bf4ccf3e585ddb3c3b07 (diff)
downloadllvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.gz
llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.bz2
llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.xz
[SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target. This version of the patch incorporates feedback from a review by Sean Silva. Thanks to all reviewers! Patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ/fp-const-02.ll')
-rw-r--r--test/CodeGen/SystemZ/fp-const-02.ll31
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-const-02.ll b/test/CodeGen/SystemZ/fp-const-02.ll
new file mode 100644
index 0000000000..2dedf54e6f
--- /dev/null
+++ b/test/CodeGen/SystemZ/fp-const-02.ll
@@ -0,0 +1,31 @@
+; Test loads of negative floating-point zero.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Test f32.
+define float @f1() {
+; CHECK: f1:
+; CHECK: lzer [[REGISTER:%f[0-5]+]]
+; CHECK: lcebr %f0, [[REGISTER]]
+; CHECK: br %r14
+ ret float -0.0
+}
+
+; Test f64.
+define double @f2() {
+; CHECK: f2:
+; CHECK: lzdr [[REGISTER:%f[0-5]+]]
+; CHECK: lcdbr %f0, [[REGISTER]]
+; CHECK: br %r14
+ ret double -0.0
+}
+
+; Test f128.
+define void @f3(fp128 *%x) {
+; CHECK: f3:
+; CHECK: lzxr [[REGISTER:%f[0-5]+]]
+; CHECK: lcxbr %f0, [[REGISTER]]
+; CHECK: br %r14
+ store fp128 0xL00000000000000008000000000000000, fp128 *%x
+ ret void
+}