mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
24 lines
896 B
LLVM
24 lines
896 B
LLVM
; RUN: llc < %s -march=x86 | not grep movsd
|
|
; RUN: llc < %s -march=x86 | grep movw
|
|
; RUN: llc < %s -march=x86 | grep addw
|
|
; These transforms are turned off for volatile loads and stores.
|
|
; Check that they weren't turned off for all loads and stores!
|
|
|
|
@atomic = global double 0.000000e+00 ; <double*> [#uses=1]
|
|
@atomic2 = global double 0.000000e+00 ; <double*> [#uses=1]
|
|
@ioport = global i32 0 ; <i32*> [#uses=1]
|
|
@ioport2 = global i32 0 ; <i32*> [#uses=1]
|
|
|
|
define i16 @f(i64 %x) {
|
|
%b = bitcast i64 %x to double ; <double> [#uses=1]
|
|
store double %b, double* @atomic
|
|
store double 0.000000e+00, double* @atomic2
|
|
%l = load i32* @ioport ; <i32> [#uses=1]
|
|
%t = trunc i32 %l to i16 ; <i16> [#uses=1]
|
|
%l2 = load i32* @ioport2 ; <i32> [#uses=1]
|
|
%tmp = lshr i32 %l2, 16 ; <i32> [#uses=1]
|
|
%t2 = trunc i32 %tmp to i16 ; <i16> [#uses=1]
|
|
%f = add i16 %t, %t2 ; <i16> [#uses=1]
|
|
ret i16 %f
|
|
}
|