a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
71 lines
1.6 KiB
LLVM
71 lines
1.6 KiB
LLVM
; Test strcmp using CLST, i32 version.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare signext i32 @strcmp(ptr %src1, ptr %src2)
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; Check a case where the result is used as an integer.
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define i32 @f1(ptr %src1, ptr %src2) {
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; CHECK-LABEL: f1:
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; CHECK: lhi %r0, 0
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: clst %r3, %r2
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK-NEXT: %bb.{{[0-9]+}}
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; CHECK-NEXT: ipm %r2
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; CHECK: sll %r2, 2
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; CHECK: sra %r2, 30
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; CHECK: br %r14
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%res = call i32 @strcmp(ptr %src1, ptr %src2)
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ret i32 %res
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}
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; Check a case where the result is tested for equality.
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define void @f2(ptr %src1, ptr %src2, ptr %dest) {
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; CHECK-LABEL: f2:
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; CHECK: lhi %r0, 0
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: clst %r3, %r2
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK-NEXT: %bb.{{[0-9]+}}
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; CHECK-NEXT: ber %r14
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; CHECK: br %r14
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%res = call i32 @strcmp(ptr %src1, ptr %src2)
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%cmp = icmp eq i32 %res, 0
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br i1 %cmp, label %exit, label %store
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store:
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store i32 0, ptr %dest
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br label %exit
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exit:
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ret void
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}
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; Test a case where the result is used both as an integer and for
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; branching.
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define i32 @f3(ptr %src1, ptr %src2, ptr %dest) {
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; CHECK-LABEL: f3:
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; CHECK: lhi %r0, 0
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: clst %r3, %r2
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK-NEXT: %bb.{{[0-9]+}}
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; CHECK-NEXT: ipm %r2
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; CHECK: sll %r2, 2
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; CHECK: sra %r2, 30
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; CHECK: blr %r14
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; CHECK: br %r14
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entry:
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%res = call i32 @strcmp(ptr %src1, ptr %src2)
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%cmp = icmp slt i32 %res, 0
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br i1 %cmp, label %exit, label %store
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store:
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store i32 0, ptr %dest
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br label %exit
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exit:
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ret i32 %res
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}
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