--- /dev/null
+; RUN: llvm-as < %s | llc -march=arm -stats 2>&1 | grep '3 .*Number of machine instrs printed' &&
+; RUN: llvm-as < %s | llc -march=thumb -stats 2>&1 | grep '4 .*Number of machine instrs printed'
+
+;; Integer absolute value, should produce something as good as: ARM:
+;; add r3, r0, r0, asr #31
+;; eor r0, r3, r0, asr #31
+;; bx lr
+;; Thumb:
+;; asr r2, r0, #31
+;; add r0, r0, r2
+;; eor r0, r2
+;; 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
+}
+
--- /dev/null
+; RUN: llvm-as < %s | llc -march=ppc32 -stats 2>&1 | grep '4 .*Number of machine instrs printed'
+
+;; Integer absolute value, should produce something as good as:
+;; srawi r2, r3, 31
+;; add r3, r3, r2
+;; xor r3, r3, r2
+;; blr
+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
+}
+
--- /dev/null
+; RUN: llvm-as < %s | llc -march=x86-64 -stats 2>&1 | grep '6 .*Number of machine instrs printed'
+
+;; Integer absolute value, should produce something at least as good as:
+;; movl %edi, %eax
+;; sarl $31, %eax
+;; addl %eax, %edi
+;; xorl %eax, %edi
+;; movl %edi, %eax
+;; ret
+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
+}
+