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llvm-mirror/test/CodeGen/ARM/optselect-regclass.ll
Matthias Braun f7ddf86363 ARM: optimizeSelect has to consider the previous register class
optimizeSelect folds (predicated) copy instructions, it must not ignore
the original register class of the operand when replacing the register
with the copies dest register.

llvm-svn: 191963
2013-10-04 16:52:56 +00:00

24 lines
1016 B
LLVM

; RUN: llc < %s -march=arm -mcpu=swift -verify-machineinstrs
%union.opcode.0.2.5.8.15.28 = type { i32 }
@opcode = external global %union.opcode.0.2.5.8.15.28, align 4
@operands = external hidden global [50 x i8], align 4
@.str86 = external hidden unnamed_addr constant [13 x i8], align 1
; Function Attrs: nounwind ssp
define void @xfr() {
entry:
%bf.load4 = load i32* getelementptr inbounds (%union.opcode.0.2.5.8.15.28* @opcode, i32 0, i32 0), align 4
%bf.clear10 = and i32 %bf.load4, 65535
%and11 = and i32 %bf.load4, 32768
%tobool12 = icmp ne i32 %and11, 0
%cond13 = select i1 %tobool12, i32 1073676288, i32 0
%or = or i32 %cond13, %bf.clear10
%shl = shl nuw i32 %or, 2
%add = add i32 0, %shl
tail call void (i8*, i32, i32, i8*, ...)* @__sprintf_chk(i8* getelementptr inbounds ([50 x i8]* @operands, i32 0, i32 0), i32 0, i32 50, i8* getelementptr inbounds ([13 x i8]* @.str86, i32 0, i32 0), i32 undef, i32 undef, i32 %add)
ret void
}
declare void @__sprintf_chk(i8*, i32, i32, i8*, ...)