| ; 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 |
| } |
