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.
175 lines
4.9 KiB
LLVM
175 lines
4.9 KiB
LLVM
; Test 32-bit unsigned comparison in which the second operand is a variable.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check register comparison.
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define double @f1(double %a, double %b, i32 %i1, i32 %i2) {
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; CHECK-LABEL: f1:
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; CHECK: clrbl %r2, %r3, 0(%r14)
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp ult i32 %i1, %i2
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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 low end of the CL range.
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define double @f2(double %a, double %b, i32 %i1, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: cl %r2, 0(%r3)
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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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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 aligned CL range.
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define double @f3(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: cl %r2, 4092(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 1023
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 word up, which should use CLY instead of CL.
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define double @f4(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f4:
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; CHECK: cly %r2, 4096(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 1024
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 aligned CLY range.
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define double @f5(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f5:
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; CHECK: cly %r2, 524284(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 131071
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 word up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f6(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f6:
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; CHECK: agfi %r3, 524288
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; CHECK: cl %r2, 0(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 131072
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 negative aligned CLY range.
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define double @f7(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f7:
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; CHECK: cly %r2, -4(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 -1
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 low end of the CLY range.
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define double @f8(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f8:
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; CHECK: cly %r2, -524288(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 -131072
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 word down, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f9(double %a, double %b, i32 %i1, ptr %base) {
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; CHECK-LABEL: f9:
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; CHECK: agfi %r3, -524292
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; CHECK: cl %r2, 0(%r3)
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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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%ptr = getelementptr i32, ptr %base, i64 -131073
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 CL allows an index.
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define double @f10(double %a, double %b, i32 %i1, i64 %base, i64 %index) {
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; CHECK-LABEL: f10:
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; CHECK: cl %r2, 4092({{%r4,%r3|%r3,%r4}})
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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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%add1 = add i64 %base, %index
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%add2 = add i64 %add1, 4092
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%ptr = inttoptr i64 %add2 to ptr
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 CLY allows an index.
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define double @f11(double %a, double %b, i32 %i1, i64 %base, i64 %index) {
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; CHECK-LABEL: f11:
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; CHECK: cly %r2, 4096({{%r4,%r3|%r3,%r4}})
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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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%add1 = add i64 %base, %index
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%add2 = add i64 %add1, 4096
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%ptr = inttoptr i64 %add2 to ptr
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%i2 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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 comparison can be reversed if that allows CL to be used.
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define double @f12(double %a, double %b, i32 %i2, ptr %ptr) {
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; CHECK-LABEL: f12:
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; CHECK: cl %r2, 0(%r3)
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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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%i1 = load i32, ptr %ptr
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%cond = icmp ult i32 %i1, %i2
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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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