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diff test/CodeGen/SystemZ/int-cmp-11.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 1172e4bd9c6f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/SystemZ/int-cmp-11.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,176 @@
+; 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-LABEL: f1:
+; CHECK: cgijl %r2, 0
+; 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-LABEL: f2:
+; CHECK: cgijle %r2, 0
+; 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 CGIJ range.
+define double @f3(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f3:
+; CHECK: cgijl %r2, 127
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp slt i64 %i1, 127
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}
+
+; Check the next value up, which must use CGHI instead.
+define double @f4(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f4:
+; CHECK: cghi %r2, 128
+; CHECK-NEXT: jl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp slt i64 %i1, 128
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}
+
+; Check the high end of the CGHI range.
+define double @f5(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f5:
+; CHECK: cghi %r2, 32767
+; CHECK-NEXT: jl
+; 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 @f6(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f6:
+; CHECK: cgfi %r2, 32768
+; CHECK-NEXT: jl
+; 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 @f7(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f7:
+; CHECK: cgfi %r2, 2147483647
+; CHECK-NEXT: jl
+; 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 @f8(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f8:
+; CHECK: cgrjl
+; 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 CGIJ range.
+define double @f9(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f9:
+; CHECK: cgijl %r2, -1
+; 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 CGIJ range.
+define double @f10(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f10:
+; CHECK: cgijl %r2, -128
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp slt i64 %i1, -128
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}
+
+; Check the next value down, which must use CGHI instead.
+define double @f11(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f11:
+; CHECK: cghi %r2, -129
+; CHECK-NEXT: jl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp slt i64 %i1, -129
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}
+
+; Check the low end of the CGHI range.
+define double @f12(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f12:
+; CHECK: cghi %r2, -32768
+; CHECK-NEXT: jl
+; 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 @f13(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f13:
+; CHECK: cgfi %r2, -32769
+; CHECK-NEXT: jl
+; 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 @f14(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f14:
+; CHECK: cgfi %r2, -2147483648
+; CHECK-NEXT: jl
+; 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 @f15(double %a, double %b, i64 %i1) {
+; CHECK-LABEL: f15:
+; CHECK: cgrjl
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  %cond = icmp slt i64 %i1, -2147483649
+  %res = select i1 %cond, double %a, double %b
+  ret double %res
+}