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2 Commits

Author SHA1 Message Date
Tim Northover
932ea08fcd ARM: make Thumb1 instructions non-flag-setting in IT block. 
Many Thumb1 instructions are defined to set CPSR if executed outside an IT
block, but leave it alone from inside one. In MachineIR this is represented by
whether an optional register is CPSR or NoReg (0), and affects how the
instructions are printed.

This sets the instruction to the appropriate form during if-conversion.
 2020-07-28 13:31:17 +01:00
Kyle Butt
48fb01c411 IfConversion: Fix bug introduced by rescanning diamonds. 
Passing the wrong values for predicate-clobbering. Simple to miss.
Added an assert to make this easier to catch in the future.

llvm-svn: 280517
 2016-09-02 18:29:26 +00:00