| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: llc -O1 -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s |
| |
| ; Test that a negative parameter smaller than 64 bits (e.g., int) |
| ; is correctly implemented with sign-extension when passed to |
| ; a floating point libcall. |
| |
| define double @ldexp_test(ptr %a, ptr %b) nounwind { |
| ; CHECK-LABEL: ldexp_test: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: mflr 0 |
| ; CHECK-NEXT: stdu 1, -112(1) |
| ; CHECK-NEXT: std 0, 128(1) |
| ; CHECK-NEXT: lfd 1, 0(3) |
| ; CHECK-NEXT: lwa 4, 0(4) |
| ; CHECK-NEXT: bl ldexp |
| ; CHECK-NEXT: nop |
| ; CHECK-NEXT: addi 1, 1, 112 |
| ; CHECK-NEXT: ld 0, 16(1) |
| ; CHECK-NEXT: mtlr 0 |
| ; CHECK-NEXT: blr |
| %base = load double, ptr %a |
| %exp = load i32, ptr %b |
| %call = call double @llvm.ldexp.f64.i32(double %base, i32 signext %exp) |
| ret double %call |
| } |
