| ; RUN: llc < %s -O0 -fast-isel -mattr=+vsx -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64VSX |
| |
| ;; The semantics of VSX stores for when R0 is used is different depending on |
| ;; whether it is used as base or offset. If used as base, the effective |
| ;; address computation will use zero regardless of the content of R0. If used as |
| ;; an offset the content will be used in the effective address. We observed that |
| ;; for some constructors, the initialization values were being stored without |
| ;; an offset register being specified which was causing R0 to be used as offset |
| ;; in regions where it contained the value in the link register. This test |
| ;; verifies that R0 is used as base in these situations. |
| |
| %SomeStruct = type { double } |
| |
| ; ELF64VSX-LABEL: SomeStructCtor |
| define linkonce_odr void @SomeStructCtor(%SomeStruct* %this, double %V) unnamed_addr align 2 { |
| entry: |
| %this.addr = alloca %SomeStruct*, align 8 |
| %V.addr = alloca double, align 8 |
| store %SomeStruct* %this, %SomeStruct** %this.addr, align 8 |
| ; ELF64VSX: stfdx {{[0-9][0-9]?}}, 0, {{[1-9][0-9]?}} |
| store double %V, double* %V.addr, align 8 |
| %this1 = load %SomeStruct*, %SomeStruct** %this.addr |
| %Val = getelementptr inbounds %SomeStruct, %SomeStruct* %this1, i32 0, i32 0 |
| ; ELF64VSX: stxsdx {{[0-9][0-9]?}}, 0, {{[1-9][0-9]?}} |
| %0 = load double, double* %V.addr, align 8 |
| store double %0, double* %Val, align 8 |
| ret void |
| } |