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1 ; Test that for calls returning a floating-point value, the calling | 1 ; Test that for calls returning a floating-point value, the calling |
2 ; ABI with respect to the x87 floating point stack is honored. In | 2 ; ABI with respect to the x87 floating point stack is honored. In |
3 ; particular, the top-of-stack must be popped regardless of whether | 3 ; particular, the top-of-stack must be popped regardless of whether |
4 ; its value is used. | 4 ; its value is used. |
5 | 5 |
6 ; RUN: %p2i -i %s --args -O2 --verbose none \ | 6 ; RUN: %p2i -i %s --args -O2 --verbose none \ |
7 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ | 7 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ |
8 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s | 8 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s |
9 ; RUN: %p2i -i %s --args -Om1 --verbose none \ | 9 ; RUN: %p2i -i %s --args -Om1 --verbose none \ |
10 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ | 10 ; RUN: | llvm-mc -triple=i686-none-nacl -filetype=obj \ |
11 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s | 11 ; RUN: | llvm-objdump -d --symbolize -x86-asm-syntax=intel - | FileCheck %s |
12 ; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s | |
13 ; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s | |
14 | 12 |
15 define float @dummy() { | 13 define float @dummy() { |
16 entry: | 14 entry: |
17 ret float 0.000000e+00 | 15 ret float 0.000000e+00 |
18 } | 16 } |
19 ; CHECK-LABEL: dummy | 17 ; CHECK-LABEL: dummy |
20 | 18 |
21 ; The call is ignored, but the top of the FP stack still needs to be | 19 ; The call is ignored, but the top of the FP stack still needs to be |
22 ; popped. | 20 ; popped. |
23 define i32 @ignored_fp_call() { | 21 define i32 @ignored_fp_call() { |
(...skipping 22 matching lines...) Expand all Loading... |
46 ; re-pushing, in which case the test would need to be changed. | 44 ; re-pushing, in which case the test would need to be changed. |
47 define float @returned_fp_call() { | 45 define float @returned_fp_call() { |
48 entry: | 46 entry: |
49 %fp = call float @dummy() | 47 %fp = call float @dummy() |
50 ret float %fp | 48 ret float %fp |
51 } | 49 } |
52 ; CHECK-LABEL: returned_fp_call | 50 ; CHECK-LABEL: returned_fp_call |
53 ; CHECK: call dummy | 51 ; CHECK: call dummy |
54 ; CHECK: fstp | 52 ; CHECK: fstp |
55 ; CHECK: fld | 53 ; CHECK: fld |
56 | |
57 ; ERRORS-NOT: ICE translation error | |
58 ; DUMP-NOT: SZ | |
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