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author | Alon Zakai (kripken) <alonzakai@gmail.com> | 2017-02-12 17:06:34 -0800 |
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committer | Alon Zakai (kripken) <alonzakai@gmail.com> | 2017-02-16 22:45:38 -0800 |
commit | 8a4edd97499120430fe1c6f2fdcbb0f5920cceab (patch) | |
tree | b78556b69485b63aaac42dbcd0cd31e9a39eec1c /test/passes/optimize-instructions.wast | |
parent | 6affe6fb4d06550a40b4d73efe19c085317854d7 (diff) | |
download | binaryen-8a4edd97499120430fe1c6f2fdcbb0f5920cceab.tar.gz binaryen-8a4edd97499120430fe1c6f2fdcbb0f5920cceab.tar.bz2 binaryen-8a4edd97499120430fe1c6f2fdcbb0f5920cceab.zip |
handle fallthrough values in load_s/u and sign/zero-extend optimization
Diffstat (limited to 'test/passes/optimize-instructions.wast')
-rw-r--r-- | test/passes/optimize-instructions.wast | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast index 9cdec0a6c..7cfcd7a0d 100644 --- a/test/passes/optimize-instructions.wast +++ b/test/passes/optimize-instructions.wast @@ -1562,5 +1562,52 @@ (i32.const 16) ) ) + ;; through tees, we cannot alter the load sign + (drop + (i32.shr_s + (i32.shl + (tee_local $1 + (i32.load8_s + (i32.const 1) + ) + ) + (i32.const 24) + ) + (i32.const 24) + ) + ) + (drop + (i32.shr_s + (i32.shl + (tee_local $1 + (i32.load8_u + (i32.const 1) + ) + ) + (i32.const 24) + ) + (i32.const 24) + ) + ) + (drop + (i32.and + (tee_local $1 + (i32.load8_s + (i32.const 1) + ) + ) + (i32.const 255) + ) + ) + (drop + (i32.and + (tee_local $1 + (i32.load8_u + (i32.const 1) + ) + ) + (i32.const 255) + ) + ) ) ) |