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1 ; This checks the correctness of the lowering code for the small | 1 ; This checks the correctness of the lowering code for the small |
2 ; integer variants of sdiv and srem. | 2 ; integer variants of sdiv and srem. |
3 | 3 |
4 ; RUN: %p2i -i %s --args -O2 --verbose none \ | 4 ; RUN: %p2i -i %s --args -O2 --verbose none \ |
5 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ | 5 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ |
6 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s | 6 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s |
7 ; RUN: %p2i -i %s --args -Om1 --verbose none \ | 7 ; RUN: %p2i -i %s --args -Om1 --verbose none \ |
8 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ | 8 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ |
9 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s | 9 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s |
10 ; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s | |
11 ; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s | |
12 | 10 |
13 define i32 @sdiv_i8(i32 %a.i32, i32 %b.i32) { | 11 define i32 @sdiv_i8(i32 %a.i32, i32 %b.i32) { |
14 entry: | 12 entry: |
15 %a = trunc i32 %a.i32 to i8 | 13 %a = trunc i32 %a.i32 to i8 |
16 %b = trunc i32 %b.i32 to i8 | 14 %b = trunc i32 %b.i32 to i8 |
17 %res = sdiv i8 %a, %b | 15 %res = sdiv i8 %a, %b |
18 %res.i32 = zext i8 %res to i32 | 16 %res.i32 = zext i8 %res to i32 |
19 ret i32 %res.i32 | 17 ret i32 %res.i32 |
20 ; CHECK-LABEL: sdiv_i8: | 18 ; CHECK-LABEL: sdiv_i8: |
21 ; CHECK: cbw | 19 ; CHECK: cbw |
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68 } | 66 } |
69 | 67 |
70 define i32 @srem_i32(i32 %a, i32 %b) { | 68 define i32 @srem_i32(i32 %a, i32 %b) { |
71 entry: | 69 entry: |
72 %res = srem i32 %a, %b | 70 %res = srem i32 %a, %b |
73 ret i32 %res | 71 ret i32 %res |
74 ; CHECK-LABEL: srem_i32: | 72 ; CHECK-LABEL: srem_i32: |
75 ; CHECK: cdq | 73 ; CHECK: cdq |
76 ; CHECK: idiv | 74 ; CHECK: idiv |
77 } | 75 } |
78 | |
79 ; ERRORS-NOT: ICE translation error | |
80 ; DUMP-NOT: SZ | |
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