aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/ARM/sub-cmp-peephole.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/ARM/sub-cmp-peephole.ll')
-rw-r--r--test/CodeGen/ARM/sub-cmp-peephole.ll60
1 files changed, 60 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/sub-cmp-peephole.ll b/test/CodeGen/ARM/sub-cmp-peephole.ll
index 1b411e3..19727da 100644
--- a/test/CodeGen/ARM/sub-cmp-peephole.ll
+++ b/test/CodeGen/ARM/sub-cmp-peephole.ll
@@ -1,4 +1,7 @@
; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
+; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s --check-prefix=V7
+; RUN: llc < %s -mtriple=armv8-none-linux-gnueabi | FileCheck %s -check-prefix=V8
+
define i32 @f(i32 %a, i32 %b) nounwind ssp {
entry:
@@ -84,3 +87,60 @@ land.lhs.true: ; preds = %num2long.exit
if.end11: ; preds = %num2long.exit
ret i32 23
}
+
+define float @float_sel(i32 %a, i32 %b, float %x, float %y) {
+entry:
+; CHECK-LABEL: float_sel:
+; CHECK-NOT: cmp
+; V8-LABEL: float_sel:
+; V8-NOT: cmp
+; V8: vseleq.f32
+ %sub = sub i32 %a, %b
+ %cmp = icmp eq i32 %sub, 0
+ %ret = select i1 %cmp, float %x, float %y
+ ret float %ret
+}
+
+define double @double_sel(i32 %a, i32 %b, double %x, double %y) {
+entry:
+; CHECK-LABEL: double_sel:
+; CHECK-NOT: cmp
+; V8-LABEL: double_sel:
+; V8-NOT: cmp
+; V8: vseleq.f64
+ %sub = sub i32 %a, %b
+ %cmp = icmp eq i32 %sub, 0
+ %ret = select i1 %cmp, double %x, double %y
+ ret double %ret
+}
+
+@t = common global i32 0
+define double @double_sub(i32 %a, i32 %b, double %x, double %y) {
+entry:
+; CHECK-LABEL: double_sub:
+; CHECK: subs
+; CHECK-NOT: cmp
+; V8-LABEL: double_sub:
+; V8: vsel
+ %cmp = icmp sgt i32 %a, %b
+ %sub = sub i32 %a, %b
+ store i32 %sub, i32* @t
+ %ret = select i1 %cmp, double %x, double %y
+ ret double %ret
+}
+
+define double @double_sub_swap(i32 %a, i32 %b, double %x, double %y) {
+entry:
+; V7-LABEL: double_sub_swap:
+; V7-NOT: cmp
+; V7: subs
+; V8-LABEL: double_sub_swap:
+; V8-NOT: subs
+; V8: cmp
+; V8: vsel
+ %cmp = icmp sgt i32 %a, %b
+ %sub = sub i32 %b, %a
+ %ret = select i1 %cmp, double %x, double %y
+ store i32 %sub, i32* @t
+ ret double %ret
+}