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authordim <dim@FreeBSD.org>2013-06-10 20:36:52 +0000
committerdim <dim@FreeBSD.org>2013-06-10 20:36:52 +0000
commitaa45f148926e3461a1fd8b10c990f0a51a908cc9 (patch)
tree909310b2e05119d1d6efda049977042abbb58bb1 /test/CodeGen/SystemZ/int-cmp-43.ll
parent169d2bd06003c39970bc94c99669a34b61bb7e45 (diff)
downloadFreeBSD-src-aa45f148926e3461a1fd8b10c990f0a51a908cc9.zip
FreeBSD-src-aa45f148926e3461a1fd8b10c990f0a51a908cc9.tar.gz
Vendor import of llvm tags/RELEASE_33/final r183502 (effectively, 3.3
release): http://llvm.org/svn/llvm-project/llvm/tags/RELEASE_33/final@183502
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diff --git a/test/CodeGen/SystemZ/int-cmp-43.ll b/test/CodeGen/SystemZ/int-cmp-43.ll
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+; Test 64-bit comparisons in which the second operand is a PC-relative
+; variable.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+@g = global i64 1
+
+; Check signed comparisons.
+define i64 @f1(i64 %src1) {
+; CHECK: f1:
+; CHECK: cgrl %r2, g
+; CHECK-NEXT: j{{g?}}l
+; CHECK: br %r14
+entry:
+ %src2 = load i64 *@g
+ %cond = icmp slt i64 %src1, %src2
+ br i1 %cond, label %exit, label %mulb
+mulb:
+ %mul = mul i64 %src1, %src1
+ br label %exit
+exit:
+ %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ]
+ ret i64 %res
+}
+
+; Check unsigned comparisons.
+define i64 @f2(i64 %src1) {
+; CHECK: f2:
+; CHECK: clgrl %r2, g
+; CHECK-NEXT: j{{g?}}l
+; CHECK: br %r14
+entry:
+ %src2 = load i64 *@g
+ %cond = icmp ult i64 %src1, %src2
+ br i1 %cond, label %exit, label %mulb
+mulb:
+ %mul = mul i64 %src1, %src1
+ br label %exit
+exit:
+ %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ]
+ ret i64 %res
+}
+
+; Check equality, which can use CRL or CLRL.
+define i64 @f3(i64 %src1) {
+; CHECK: f3:
+; CHECK: c{{l?}}grl %r2, g
+; CHECK-NEXT: j{{g?}}e
+; CHECK: br %r14
+entry:
+ %src2 = load i64 *@g
+ %cond = icmp eq i64 %src1, %src2
+ br i1 %cond, label %exit, label %mulb
+mulb:
+ %mul = mul i64 %src1, %src1
+ br label %exit
+exit:
+ %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ]
+ ret i64 %res
+}
+
+; ...likewise inequality.
+define i64 @f4(i64 %src1) {
+; CHECK: f4:
+; CHECK: c{{l?}}grl %r2, g
+; CHECK-NEXT: j{{g?}}lh
+; CHECK: br %r14
+entry:
+ %src2 = load i64 *@g
+ %cond = icmp ne i64 %src1, %src2
+ br i1 %cond, label %exit, label %mulb
+mulb:
+ %mul = mul i64 %src1, %src1
+ br label %exit
+exit:
+ %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ]
+ ret i64 %res
+}
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