diff options
Diffstat (limited to 'test/CodeGen/MSP430/select-use-sr.ll')
| -rw-r--r-- | test/CodeGen/MSP430/select-use-sr.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/MSP430/select-use-sr.ll b/test/CodeGen/MSP430/select-use-sr.ll new file mode 100644 index 0000000000000..3f67fb85f793f --- /dev/null +++ b/test/CodeGen/MSP430/select-use-sr.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=msp430 | FileCheck %s +; PR32769 + +target triple = "msp430" + +; Test that CMP instruction is not removed by MachineCSE. +; +; CHECK-LABEL: @f +; CHECK: cmp.w r15, r13 +; CHECK: cmp.w r15, r13 +; CHECK-NEXT: jeq .LBB0_2 +define i16 @f(i16, i16, i16, i16) { +entry: + %4 = icmp ult i16 %1, %3 + %5 = zext i1 %4 to i16 + %6 = icmp ult i16 %0, %2 + %7 = zext i1 %6 to i16 + %8 = icmp eq i16 %1, %3 + %out = select i1 %8, i16 %5, i16 %7 + ret i16 %out +} |
