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author | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
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committer | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
commit | b503b49b5105b6aad7d2a015468b84b0f64dfe8e (patch) | |
tree | a60966043fae51838cb2faa08531a7ed078e4fb6 /test/CodeGen/SystemZ/int-cmp-11.ll | |
parent | 1d09d56fe1e3f3faadd4bf4ccf3e585ddb3c3b07 (diff) | |
download | external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.zip external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.gz external_llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.bz2 |
[SystemZ] Add CodeGen test cases
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
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-11.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-cmp-11.ll | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-11.ll b/test/CodeGen/SystemZ/int-cmp-11.ll new file mode 100644 index 0000000..1bfb0c6 --- /dev/null +++ b/test/CodeGen/SystemZ/int-cmp-11.ll @@ -0,0 +1,135 @@ +; Test 64-bit signed comparisons in which the second operand is a constant. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Check comparisons with 0. +define double @f1(double %a, double %b, i64 %i1) { +; CHECK: f1: +; CHECK: cghi %r2, 0 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 0 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check comparisons with 1. +define double @f2(double %a, double %b, i64 %i1) { +; CHECK: f2: +; CHECK: cghi %r2, 1 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 1 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the high end of the CGHI range. +define double @f3(double %a, double %b, i64 %i1) { +; CHECK: f3: +; CHECK: cghi %r2, 32767 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 32767 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the next value up, which must use CGFI. +define double @f4(double %a, double %b, i64 %i1) { +; CHECK: f4: +; CHECK: cgfi %r2, 32768 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 32768 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the high end of the CGFI range. +define double @f5(double %a, double %b, i64 %i1) { +; CHECK: f5: +; CHECK: cgfi %r2, 2147483647 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 2147483647 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the next value up, which must use register comparison. +define double @f6(double %a, double %b, i64 %i1) { +; CHECK: f6: +; CHECK: cgr +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, 2147483648 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the high end of the negative CGHI range. +define double @f7(double %a, double %b, i64 %i1) { +; CHECK: f7: +; CHECK: cghi %r2, -1 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, -1 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the low end of the CGHI range. +define double @f8(double %a, double %b, i64 %i1) { +; CHECK: f8: +; CHECK: cghi %r2, -32768 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, -32768 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the next value down, which must use CGFI instead. +define double @f9(double %a, double %b, i64 %i1) { +; CHECK: f9: +; CHECK: cgfi %r2, -32769 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, -32769 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the low end of the CGFI range. +define double @f10(double %a, double %b, i64 %i1) { +; CHECK: f10: +; CHECK: cgfi %r2, -2147483648 +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, -2147483648 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the next value down, which must use register comparison. +define double @f11(double %a, double %b, i64 %i1) { +; CHECK: f11: +; CHECK: cgr +; CHECK-NEXT: j{{g?}}l +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp slt i64 %i1, -2147483649 + %res = select i1 %cond, double %a, double %b + ret double %res +} |