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https://github.com/c64scene-ar/llvm-6502.git
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b503b49b51
This adds all CodeGen tests for the SystemZ target. This version of the patch incorporates feedback from a review by Sean Silva. Thanks to all reviewers! Patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
136 lines
3.4 KiB
LLVM
136 lines
3.4 KiB
LLVM
; Test 32-bit signed comparison in which the second operand is constant.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check comparisons with 0.
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define double @f1(double %a, double %b, i32 %i1) {
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; CHECK: f1:
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; CHECK: chi %r2, 0
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, 0
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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 comparisons with 1.
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define double @f2(double %a, double %b, i32 %i1) {
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; CHECK: f2:
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; CHECK: chi %r2, 1
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, 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 high end of the CHI range.
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define double @f3(double %a, double %b, i32 %i1) {
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; CHECK: f3:
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; CHECK: chi %r2, 32767
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, 32767
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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 value up, which must use CFI.
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define double @f4(double %a, double %b, i32 %i1) {
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; CHECK: f4:
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; CHECK: cfi %r2, 32768
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, 32768
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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 signed 32-bit range.
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define double @f5(double %a, double %b, i32 %i1) {
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; CHECK: f5:
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; CHECK: cfi %r2, 2147483647
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; CHECK-NEXT: j{{g?}}e
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp eq i32 %i1, 2147483647
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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 value up, which should be treated as a negative value.
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define double @f6(double %a, double %b, i32 %i1) {
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; CHECK: f6:
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; CHECK: cfi %r2, -2147483648
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; CHECK-NEXT: j{{g?}}e
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp eq i32 %i1, 2147483648
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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 CHI range.
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define double @f7(double %a, double %b, i32 %i1) {
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; CHECK: f7:
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; CHECK: chi %r2, -1
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, -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 low end of the CHI range.
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define double @f8(double %a, double %b, i32 %i1) {
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; CHECK: f8:
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; CHECK: chi %r2, -32768
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, -32768
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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 value down, which must use CFI instead.
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define double @f9(double %a, double %b, i32 %i1) {
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; CHECK: f9:
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; CHECK: cfi %r2, -32769
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; CHECK-NEXT: j{{g?}}l
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp slt i32 %i1, -32769
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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 signed 32-bit range.
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define double @f10(double %a, double %b, i32 %i1) {
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; CHECK: f10:
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; CHECK: cfi %r2, -2147483648
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; CHECK-NEXT: j{{g?}}e
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp eq i32 %i1, -2147483648
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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 value down, which should be treated as a positive value.
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define double @f11(double %a, double %b, i32 %i1) {
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; CHECK: f11:
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; CHECK: cfi %r2, 2147483647
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; CHECK-NEXT: j{{g?}}e
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; CHECK: ldr %f0, %f2
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; CHECK: br %r14
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%cond = icmp eq i32 %i1, -2147483649
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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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