| ; 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 | |
| } |