diff options
Diffstat (limited to 'test/CodeGen')
-rw-r--r-- | test/CodeGen/ARM/iabs.ll | 8 | ||||
-rw-r--r-- | test/CodeGen/Thumb/iabs.ll | 11 |
2 files changed, 7 insertions, 12 deletions
diff --git a/test/CodeGen/ARM/iabs.ll b/test/CodeGen/ARM/iabs.ll index 89e309d1606..c01c041cfe8 100644 --- a/test/CodeGen/ARM/iabs.ll +++ b/test/CodeGen/ARM/iabs.ll @@ -1,8 +1,8 @@ ; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s ;; Integer absolute value, should produce something as good as: ARM: -;; movs r0, r0 -;; rsbmi r0, r0, #0 +;; add r3, r0, r0, asr #31 +;; eor r0, r3, r0, asr #31 ;; bx lr define i32 @test(i32 %a) { @@ -10,7 +10,7 @@ define i32 @test(i32 %a) { %b = icmp sgt i32 %a, -1 %abs = select i1 %b, i32 %a, i32 %tmp1neg ret i32 %abs -; CHECK: movs r0, r0 -; CHECK: rsbmi r0, r0, #0 +; CHECK: add r1, r0, r0, asr #31 +; CHECK: eor r0, r1, r0, asr #31 ; CHECK: bx lr } diff --git a/test/CodeGen/Thumb/iabs.ll b/test/CodeGen/Thumb/iabs.ll index d03b5b2e3be..d7cdcd8149a 100644 --- a/test/CodeGen/Thumb/iabs.ll +++ b/test/CodeGen/Thumb/iabs.ll @@ -3,9 +3,9 @@ ;; 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) +;; asr r2, r0, #31 +;; add r0, r0, r2 +;; eor r0, r2 ;; bx lr define i32 @test(i32 %a) { @@ -13,10 +13,5 @@ define i32 @test(i32 %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 } - |