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| author | Andrew Kelley <andrew@ziglang.org> | 2019-12-20 18:19:01 -0500 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2019-12-20 18:28:59 -0500 |
| commit | 8d73703d524e06e17320e025ff970c86ebc01d22 (patch) | |
| tree | 1c9eae2163aa25df4380c6b6690933f5cec62ca1 /src/codegen.cpp | |
| parent | 8918cb06fca10309dc67ac881894528eac33a8fc (diff) | |
| download | zig-8d73703d524e06e17320e025ff970c86ebc01d22.tar.gz zig-8d73703d524e06e17320e025ff970c86ebc01d22.zip | |
fix safety for sentinel-slicing floats
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 01a15b5f2c..1455b4b743 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -1425,7 +1425,12 @@ static void add_sentinel_check(CodeGen *g, LLVMValueRef sentinel_elem_ptr, ZigVa LLVMValueRef expected_sentinel = gen_const_val(g, sentinel, ""); LLVMValueRef actual_sentinel = gen_load_untyped(g, sentinel_elem_ptr, 0, false, ""); - LLVMValueRef ok_bit = LLVMBuildICmp(g->builder, LLVMIntEQ, actual_sentinel, expected_sentinel, ""); + LLVMValueRef ok_bit; + if (sentinel->type->id == ZigTypeIdFloat) { + ok_bit = LLVMBuildFCmp(g->builder, LLVMRealOEQ, actual_sentinel, expected_sentinel, ""); + } else { + ok_bit = LLVMBuildICmp(g->builder, LLVMIntEQ, actual_sentinel, expected_sentinel, ""); + } LLVMBasicBlockRef fail_block = LLVMAppendBasicBlock(g->cur_fn_val, "SentinelFail"); LLVMBasicBlockRef ok_block = LLVMAppendBasicBlock(g->cur_fn_val, "SentinelOk"); |