summaryrefslogtreecommitdiff
path: root/test/CodeGen/SystemZ/setcc-01.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/SystemZ/setcc-01.ll')
-rw-r--r--test/CodeGen/SystemZ/setcc-01.ll74
1 files changed, 74 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/setcc-01.ll b/test/CodeGen/SystemZ/setcc-01.ll
new file mode 100644
index 0000000000000..4626760fa25bc
--- /dev/null
+++ b/test/CodeGen/SystemZ/setcc-01.ll
@@ -0,0 +1,74 @@
+; Test SETCC for every integer condition. The tests here assume that
+; RISBLG isn't available.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
+
+; Test CC in { 0 }, with 3 don't care.
+define i32 @f1(i32 %a, i32 %b) {
+; CHECK-LABEL: f1:
+; CHECK: ipm %r2
+; CHECK-NEXT: afi %r2, -268435456
+; CHECK-NEXT: srl %r2, 31
+; CHECK: br %r14
+ %cond = icmp eq i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}
+
+; Test CC in { 1 }, with 3 don't care.
+define i32 @f2(i32 %a, i32 %b) {
+; CHECK-LABEL: f2:
+; CHECK: ipm [[REG:%r[0-5]]]
+; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 36
+; CHECK: br %r14
+ %cond = icmp slt i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}
+
+; Test CC in { 0, 1 }, with 3 don't care.
+define i32 @f3(i32 %a, i32 %b) {
+; CHECK-LABEL: f3:
+; CHECK: ipm %r2
+; CHECK-NEXT: afi %r2, -536870912
+; CHECK-NEXT: srl %r2, 31
+; CHECK: br %r14
+ %cond = icmp sle i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}
+
+; Test CC in { 2 }, with 3 don't care.
+define i32 @f4(i32 %a, i32 %b) {
+; CHECK-LABEL: f4:
+; CHECK: ipm [[REG:%r[0-5]]]
+; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 35
+; CHECK: br %r14
+ %cond = icmp sgt i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}
+
+; Test CC in { 0, 2 }, with 3 don't care.
+define i32 @f5(i32 %a, i32 %b) {
+; CHECK-LABEL: f5:
+; CHECK: ipm [[REG:%r[0-5]]]
+; CHECK-NEXT: xilf [[REG]], 4294967295
+; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 36
+; CHECK: br %r14
+ %cond = icmp sge i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}
+
+; Test CC in { 1, 2 }, with 3 don't care.
+define i32 @f6(i32 %a, i32 %b) {
+; CHECK-LABEL: f6:
+; CHECK: ipm %r2
+; CHECK-NEXT: afi %r2, 1879048192
+; CHECK-NEXT: srl %r2, 31
+; CHECK: br %r14
+ %cond = icmp ne i32 %a, %b
+ %res = zext i1 %cond to i32
+ ret i32 %res
+}