diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-12.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-cmp-12.ll | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-12.ll b/test/CodeGen/SystemZ/int-cmp-12.ll index f57f6ec..077b224 100644 --- a/test/CodeGen/SystemZ/int-cmp-12.ll +++ b/test/CodeGen/SystemZ/int-cmp-12.ll @@ -2,12 +2,11 @@ ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -; Check a value near the low end of the range. We use CGFI for comparisons -; with zero, or things that are equivalent to them. +; Check a value near the low end of the range. We use signed forms for +; comparisons with zero, or things that are equivalent to them. define double @f1(double %a, double %b, i64 %i1) { ; CHECK-LABEL: f1: -; CHECK: clgfi %r2, 1 -; CHECK-NEXT: jh +; CHECK: clgijh %r2, 1 ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %cond = icmp ugt i64 %i1, 1 @@ -15,9 +14,32 @@ define double @f1(double %a, double %b, i64 %i1) { ret double %res } -; Check the high end of the CLGFI range. +; Check the top of the CLGIJ range. define double @f2(double %a, double %b, i64 %i1) { ; CHECK-LABEL: f2: +; CHECK: clgijl %r2, 255 +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp ult i64 %i1, 255 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the next value up, which needs a separate comparison. +define double @f3(double %a, double %b, i64 %i1) { +; CHECK-LABEL: f3: +; CHECK: clgfi %r2, 256 +; CHECK: jl +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %cond = icmp ult i64 %i1, 256 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the high end of the CLGFI range. +define double @f4(double %a, double %b, i64 %i1) { +; CHECK-LABEL: f4: ; CHECK: clgfi %r2, 4294967295 ; CHECK-NEXT: jl ; CHECK: ldr %f0, %f2 @@ -28,10 +50,9 @@ define double @f2(double %a, double %b, i64 %i1) { } ; Check the next value up, which must use a register comparison. -define double @f3(double %a, double %b, i64 %i1) { -; CHECK-LABEL: f3: -; CHECK: clgr %r2, -; CHECK-NEXT: jl +define double @f5(double %a, double %b, i64 %i1) { +; CHECK-LABEL: f5: +; CHECK: clgrjl %r2, ; CHECK: ldr %f0, %f2 ; CHECK: br %r14 %cond = icmp ult i64 %i1, 4294967296 |