2009-11-22 16:18:27 +01:00
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; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
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2009-06-26 20:10:30 +02:00
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2009-11-22 16:18:27 +01:00
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define i32 @f1(i32 %a, i32 %b) {
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2009-06-30 03:02:20 +02:00
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%tmp = shl i32 %b, 5
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%tmp1 = sub i32 %tmp, %a
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ret i32 %tmp1
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}
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: f1:
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2009-11-22 16:18:27 +01:00
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; CHECK: rsb r0, r0, r1, lsl #5
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2009-06-30 03:02:20 +02:00
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2009-11-22 16:18:27 +01:00
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define i32 @f2(i32 %a, i32 %b) {
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2009-06-30 03:02:20 +02:00
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%tmp = lshr i32 %b, 6
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%tmp1 = sub i32 %tmp, %a
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ret i32 %tmp1
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}
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: f2:
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2009-11-22 16:18:27 +01:00
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; CHECK: rsb r0, r0, r1, lsr #6
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2009-06-30 03:02:20 +02:00
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2009-11-22 16:18:27 +01:00
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define i32 @f3(i32 %a, i32 %b) {
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2009-06-30 03:02:20 +02:00
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%tmp = ashr i32 %b, 7
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%tmp1 = sub i32 %tmp, %a
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ret i32 %tmp1
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}
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: f3:
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2009-11-22 16:18:27 +01:00
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; CHECK: rsb r0, r0, r1, asr #7
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2009-06-26 20:10:30 +02:00
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2009-11-22 16:18:27 +01:00
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define i32 @f4(i32 %a, i32 %b) {
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2009-06-30 03:02:20 +02:00
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%l8 = shl i32 %a, 24
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%r8 = lshr i32 %a, 8
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%tmp = or i32 %l8, %r8
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%tmp1 = sub i32 %tmp, %a
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ret i32 %tmp1
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2009-06-26 20:10:30 +02:00
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}
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2013-07-14 08:24:09 +02:00
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; CHECK-LABEL: f4:
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2009-11-22 16:18:27 +01:00
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; CHECK: rsb r0, r0, r0, ror #8
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