summaryrefslogtreecommitdiff
path: root/test/CodeGen/SystemZ
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2016-02-13 14:57:10 +0000
committerDimitry Andric <dim@FreeBSD.org>2016-02-13 14:57:10 +0000
commita322a4af1fe8b989fe5d1bbc15de8736a26c03ca (patch)
tree0daaa3c98a8029d259c5918dfa1c13c9d4fe7971 /test/CodeGen/SystemZ
parentaff3ef6f6ccad9bd4e082546f8161727c2019117 (diff)
Notes
Diffstat (limited to 'test/CodeGen/SystemZ')
-rw-r--r--test/CodeGen/SystemZ/int-cmp-53.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-53.ll b/test/CodeGen/SystemZ/int-cmp-53.ll
new file mode 100644
index 000000000000..b7d985eeefe7
--- /dev/null
+++ b/test/CodeGen/SystemZ/int-cmp-53.ll
@@ -0,0 +1,26 @@
+; This used to incorrectly use a TMLL for an always-false test at -O0.
+;
+; RUN: llc -O0 < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+define void @test(i8 *%input, i32 *%result) {
+entry:
+; CHECK-NOT: tmll
+
+ %0 = load i8, i8* %input, align 1
+ %1 = trunc i8 %0 to i1
+ %2 = zext i1 %1 to i32
+ %3 = icmp sge i32 %2, 0
+ br i1 %3, label %if.then, label %if.else
+
+if.then:
+ store i32 1, i32* %result, align 4
+ br label %return
+
+if.else:
+ store i32 0, i32* %result, align 4
+ br label %return
+
+return:
+ ret void
+}
+