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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-12-06 09:56:50 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-12-06 09:56:50 +0000 |
| commit | 7b4118a0fcf1c99fb352cef9c297f97af7a35757 (patch) | |
| tree | d8b9b8495f58ed30288b7a4a0466896a1939420c /llvm/test/CodeGen/SystemZ/int-cmp-05.ll | |
| parent | 48ef6abddc90162bdfa045dd793fb56803c2a62f (diff) | |
| download | bcm5719-llvm-7b4118a0fcf1c99fb352cef9c297f97af7a35757.tar.gz bcm5719-llvm-7b4118a0fcf1c99fb352cef9c297f97af7a35757.zip | |
[SystemZ] Extend the use of C(L)GFR
instcombine prefers to put extended operands first, so this patch
handles that case for C(L)GFR.
llvm-svn: 196579
Diffstat (limited to 'llvm/test/CodeGen/SystemZ/int-cmp-05.ll')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/int-cmp-05.ll | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/SystemZ/int-cmp-05.ll b/llvm/test/CodeGen/SystemZ/int-cmp-05.ll index f15b76bb87f..0be43a3ef1b 100644 --- a/llvm/test/CodeGen/SystemZ/int-cmp-05.ll +++ b/llvm/test/CodeGen/SystemZ/int-cmp-05.ll @@ -291,9 +291,22 @@ define i64 @f15(i32 *%ptr0) { ret i64 %sel9 } -; Check the comparison can be reversed if that allows CGF to be used. -define double @f16(double %a, double %b, i64 %i2, i32 *%ptr) { +; Check the comparison can be reversed if that allows CGFR to be used. +define double @f16(double %a, double %b, i64 %i1, i32 %unext) { ; CHECK-LABEL: f16: +; CHECK: cgfr %r2, %r3 +; CHECK-NEXT: jh +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %i2 = sext i32 %unext to i64 + %cond = icmp slt i64 %i2, %i1 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Likewise CGF. +define double @f17(double %a, double %b, i64 %i2, i32 *%ptr) { +; CHECK-LABEL: f17: ; CHECK: cgf %r2, 0(%r3) ; CHECK-NEXT: jh {{\.L.*}} ; CHECK: ldr %f0, %f2 |
