clang-cl-x86-float.log

gistfile1.txt

C:\projects\c\poc  
λ clang-x86.bat
**********************************************************************
** Visual Studio 2017 Developer Command Prompt v15.9.2
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x86'

C:\projects\c\poc  
λ clang-cl -v
clang version 8.0.0 (tags/RELEASE_800/final)
Target: i686-pc-windows-msvc
Thread model: posix
InstalledDir: D:\dev\LLVM\x86\bin

C:\projects\c\poc  
λ clang-cl /Zi /Od main.c

C:\projects\c\poc  
λ lldb main.exe
(lldb) target create "main.exe"
Current executable set to 'main.exe' (i686).
(lldb) break set -f main.c -l 13
Breakpoint 1: where = main.exe`_main + 142 at main.c:13, address = 0x00406cbe
(lldb) run
Process 19184 launched: 'C:\projects\c\poc\main.exe' (i686)
Process 19184 stopped
* thread #1, stop reason = breakpoint 1.1
    frame #0: 0x00146cbe main.exe`_main(argc=1, argv=0x00b2d9d0) at main.c:13
   10           int  ret = (size * d);
   11           printf("ret=%d\n", ret);
   12
-> 13       return ret;
   14   }
(lldb) p size
(int) $0 = 60
(lldb) p d
(float) $1 = 1.39999998
(lldb) p ret
(int) $2 = 84
(lldb) c
Process 19184 resuming
Process 19184 exited with status = 84 (0x00000054)
(lldb) quit

// Console's output for this scenario is:
//  size=60
//  float=1.400000
//  ret=84