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-rw-r--r--test/CodeGen/SystemZ/int-cmp-12.ll39
1 files changed, 30 insertions, 9 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-12.ll b/test/CodeGen/SystemZ/int-cmp-12.ll
index f57f6ec..077b224 100644
--- a/test/CodeGen/SystemZ/int-cmp-12.ll
+++ b/test/CodeGen/SystemZ/int-cmp-12.ll
@@ -2,12 +2,11 @@
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-; Check a value near the low end of the range. We use CGFI for comparisons
-; with zero, or things that are equivalent to them.
+; Check a value near the low end of the range. We use signed forms for
+; comparisons with zero, or things that are equivalent to them.
define double @f1(double %a, double %b, i64 %i1) {
; CHECK-LABEL: f1:
-; CHECK: clgfi %r2, 1
-; CHECK-NEXT: jh
+; CHECK: clgijh %r2, 1
; CHECK: ldr %f0, %f2
; CHECK: br %r14
%cond = icmp ugt i64 %i1, 1
@@ -15,9 +14,32 @@ define double @f1(double %a, double %b, i64 %i1) {
ret double %res
}
-; Check the high end of the CLGFI range.
+; Check the top of the CLGIJ range.
define double @f2(double %a, double %b, i64 %i1) {
; CHECK-LABEL: f2:
+; CHECK: clgijl %r2, 255
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+ %cond = icmp ult i64 %i1, 255
+ %res = select i1 %cond, double %a, double %b
+ ret double %res
+}
+
+; Check the next value up, which needs a separate comparison.
+define double @f3(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f3:
+; CHECK: clgfi %r2, 256
+; CHECK: jl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+ %cond = icmp ult i64 %i1, 256
+ %res = select i1 %cond, double %a, double %b
+ ret double %res
+}
+
+; Check the high end of the CLGFI range.
+define double @f4(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f4:
; CHECK: clgfi %r2, 4294967295
; CHECK-NEXT: jl
; CHECK: ldr %f0, %f2
@@ -28,10 +50,9 @@ define double @f2(double %a, double %b, i64 %i1) {
}
; Check the next value up, which must use a register comparison.
-define double @f3(double %a, double %b, i64 %i1) {
-; CHECK-LABEL: f3:
-; CHECK: clgr %r2,
-; CHECK-NEXT: jl
+define double @f5(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f5:
+; CHECK: clgrjl %r2,
; CHECK: ldr %f0, %f2
; CHECK: br %r14
%cond = icmp ult i64 %i1, 4294967296