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llvm-mirror/test/CodeGen/Thumb/iabs.ll
Chandler Carruth d200829a4f Convert the uses of '|&' to use '2>&1 |' instead, which works on old
versions of Bash. In addition, I can back out the change to the lit
built-in shell test runner to support this.

This should fix the majority of fallout on Darwin, but I suspect there
will be a few straggling issues.

llvm-svn: 159544
2012-07-02 18:37:59 +00:00

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534 B
LLVM

; RUN: llc < %s -march=thumb -stats 2>&1 | \
; RUN: grep "4 .*Number of machine instrs printed"
;; Integer absolute value, should produce something as good as:
;; Thumb:
;; movs r0, r0
;; bpl
;; rsb r0, r0, #0 (with opitmization, bpl + rsb is if-converted into rsbmi)
;; bx lr
define i32 @test(i32 %a) {
%tmp1neg = sub i32 0, %a
%b = icmp sgt i32 %a, -1
%abs = select i1 %b, i32 %a, i32 %tmp1neg
ret i32 %abs
; CHECK: movs r0, r0
; CHECK: bpl
; CHECK: rsb r0, r0, #0
; CHECK: bx lr
}