1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -asm-verbose=false | FileCheck %s -check-prefix=64BIT
4 ; In 32-bit the partial register stall would degrade performance.
6 define zeroext i16 @t1(i16 zeroext %c, i16 zeroext %k) nounwind ssp {
9 ; 32BIT: movw 20(%esp), %ax
10 ; 32BIT-NOT: movw %ax, %cx
11 ; 32BIT: leal 1(%eax), %ecx
14 ; 64BIT-NOT: movw %si, %ax
15 ; 64BIT: leal 1(%rsi), %eax
16 %0 = icmp eq i16 %k, %c ; <i1> [#uses=1]
17 %1 = add i16 %k, 1 ; <i16> [#uses=3]
18 br i1 %0, label %bb, label %bb1
21 tail call void @foo(i16 zeroext %1) nounwind
28 define zeroext i16 @t2(i16 zeroext %c, i16 zeroext %k) nounwind ssp {
31 ; 32BIT: movw 20(%esp), %ax
32 ; 32BIT-NOT: movw %ax, %cx
33 ; 32BIT: leal -1(%eax), %ecx
36 ; 64BIT-NOT: movw %si, %ax
37 ; 64BIT: leal -1(%rsi), %eax
38 %0 = icmp eq i16 %k, %c ; <i1> [#uses=1]
39 %1 = add i16 %k, -1 ; <i16> [#uses=3]
40 br i1 %0, label %bb, label %bb1
43 tail call void @foo(i16 zeroext %1) nounwind
50 declare void @foo(i16 zeroext)
52 define zeroext i16 @t3(i16 zeroext %c, i16 zeroext %k) nounwind ssp {
55 ; 32BIT: movw 20(%esp), %ax
56 ; 32BIT-NOT: movw %ax, %cx
57 ; 32BIT: leal 2(%eax), %ecx
60 ; 64BIT-NOT: movw %si, %ax
61 ; 64BIT: leal 2(%rsi), %eax
62 %0 = add i16 %k, 2 ; <i16> [#uses=3]
63 %1 = icmp eq i16 %k, %c ; <i1> [#uses=1]
64 br i1 %1, label %bb, label %bb1
67 tail call void @foo(i16 zeroext %0) nounwind
74 define zeroext i16 @t4(i16 zeroext %c, i16 zeroext %k) nounwind ssp {
77 ; 32BIT: movw 16(%esp), %ax
78 ; 32BIT: movw 20(%esp), %cx
79 ; 32BIT-NOT: movw %cx, %dx
80 ; 32BIT: leal (%ecx,%eax), %edx
83 ; 64BIT-NOT: movw %si, %ax
84 ; 64BIT: leal (%rsi,%rdi), %eax
85 %0 = add i16 %k, %c ; <i16> [#uses=3]
86 %1 = icmp eq i16 %k, %c ; <i1> [#uses=1]
87 br i1 %1, label %bb, label %bb1
90 tail call void @foo(i16 zeroext %0) nounwind