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.
90 lines
2.5 KiB
LLVM
90 lines
2.5 KiB
LLVM
; Test 16-bit unsigned comparisons between memory and a constant.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check a value near the low end of the unsigned 16-bit range.
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define double @f1(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f1:
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; CHECK: clhhsi 0(%r2), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%val = load i16, ptr %ptr
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%cond = icmp ugt i16 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check a value near the high end of the unsigned 16-bit range.
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define double @f2(double %a, double %b, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: clhhsi 0(%r2), 65534
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; CHECK-NEXT: blr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%val = load i16, ptr %ptr
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%cond = icmp ult i16 %val, 65534
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the CLHHSI range.
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define double @f3(double %a, double %b, i16 %i1, ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: clhhsi 4094(%r3), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%ptr = getelementptr i16, ptr %base, i64 2047
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%val = load i16, ptr %ptr
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%cond = icmp ugt i16 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next halfword up, which needs separate address logic,
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define double @f4(double %a, double %b, ptr %base) {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: clhhsi 0(%r2), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%ptr = getelementptr i16, ptr %base, i64 2048
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%val = load i16, ptr %ptr
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%cond = icmp ugt i16 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check negative offsets, which also need separate address logic.
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define double @f5(double %a, double %b, ptr %base) {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -2
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; CHECK: clhhsi 0(%r2), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%ptr = getelementptr i16, ptr %base, i64 -1
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%val = load i16, ptr %ptr
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%cond = icmp ugt i16 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check that CLHHSI does not allow indices.
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define double @f6(double %a, double %b, i64 %base, i64 %index) {
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; CHECK-LABEL: f6:
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; CHECK: agr {{%r2, %r3|%r3, %r2}}
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; CHECK: clhhsi 0({{%r[23]}}), 1
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; CHECK-NEXT: bhr %r14
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%add = add i64 %base, %index
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%ptr = inttoptr i64 %add to ptr
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%val = load i16, ptr %ptr
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%cond = icmp ugt i16 %val, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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