1; RUN: llc < %s -mtriple=i686-- -fixup-byte-word-insts=0 | FileCheck %s -check-prefix=CHECK -check-prefix=BWOFF
2; RUN: llc < %s -mtriple=i686-- -fixup-byte-word-insts=1 | FileCheck %s -check-prefix=CHECK -check-prefix=BWON
3; These transforms are turned off for load volatiles and stores.
4; Check that they weren't turned off for all loads and stores!
5; CHECK-LABEL: f:
6; CHECK-NOT: movsd
7; BWOFF: movw
8; BWON:  movzwl
9; CHECK: addw
10
11@atomic = global double 0.000000e+00		; <double*> [#uses=1]
12@atomic2 = global double 0.000000e+00		; <double*> [#uses=1]
13@ioport = global i32 0		; <i32*> [#uses=1]
14@ioport2 = global i32 0		; <i32*> [#uses=1]
15
16define i16 @f(i64 %x) {
17	%b = bitcast i64 %x to double		; <double> [#uses=1]
18	store double %b, double* @atomic
19	store double 0.000000e+00, double* @atomic2
20	%l = load i32, i32* @ioport		; <i32> [#uses=1]
21	%t = trunc i32 %l to i16		; <i16> [#uses=1]
22	%l2 = load i32, i32* @ioport2		; <i32> [#uses=1]
23	%tmp = lshr i32 %l2, 16		; <i32> [#uses=1]
24	%t2 = trunc i32 %tmp to i16		; <i16> [#uses=1]
25	%f = add i16 %t, %t2		; <i16> [#uses=1]
26	ret i16 %f
27}
28