2010-02-05 19:53:02 +00:00
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; RUN: opt < %s -instcombine -S | FileCheck %s
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2008-10-28 22:38:57 +00:00
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define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
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%e = icmp slt i32 %a, %b
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%f = sext i1 %e to i32
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%g = and i32 %c, %f
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%h = xor i32 %f, -1
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%i = and i32 %d, %h
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%j = or i32 %g, %i
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ret i32 %j
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2010-01-24 00:09:49 +00:00
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; CHECK: %e = icmp slt i32 %a, %b
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2013-02-16 23:41:36 +00:00
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; CHECK-NEXT: [[result:%.*]] = select i1 %e, i32 %c, i32 %d
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; CHECK-NEXT: ret i32 [[result]]
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2008-10-28 22:38:57 +00:00
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}
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define i32 @bar(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
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%e = icmp slt i32 %a, %b
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%f = sext i1 %e to i32
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%g = and i32 %c, %f
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%h = xor i32 %f, -1
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%i = and i32 %d, %h
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%j = or i32 %i, %g
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ret i32 %j
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2010-01-24 00:09:49 +00:00
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; CHECK: %e = icmp slt i32 %a, %b
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2013-02-16 23:41:36 +00:00
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; CHECK-NEXT: [[result:%.*]] = select i1 %e, i32 %c, i32 %d
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; CHECK-NEXT: ret i32 [[result]]
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2008-10-28 22:38:57 +00:00
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}
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2010-02-05 19:53:02 +00:00
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2008-10-30 20:40:10 +00:00
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define i32 @goo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
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entry:
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%0 = icmp slt i32 %a, %b
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%iftmp.0.0 = select i1 %0, i32 -1, i32 0
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%1 = and i32 %iftmp.0.0, %c
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%not = xor i32 %iftmp.0.0, -1
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%2 = and i32 %not, %d
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%3 = or i32 %1, %2
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ret i32 %3
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2010-01-24 00:09:49 +00:00
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; CHECK: %0 = icmp slt i32 %a, %b
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2013-02-16 23:41:36 +00:00
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; CHECK-NEXT: [[result:%.*]] = select i1 %0, i32 %c, i32 %d
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; CHECK-NEXT: ret i32 [[result]]
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2008-10-30 20:40:10 +00:00
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}
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2008-11-16 04:25:26 +00:00
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define i32 @poo(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
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entry:
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%0 = icmp slt i32 %a, %b
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%iftmp.0.0 = select i1 %0, i32 -1, i32 0
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%1 = and i32 %iftmp.0.0, %c
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%iftmp = select i1 %0, i32 0, i32 -1
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%2 = and i32 %iftmp, %d
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%3 = or i32 %1, %2
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ret i32 %3
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2010-01-24 00:09:49 +00:00
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; CHECK: %0 = icmp slt i32 %a, %b
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2013-02-16 23:41:36 +00:00
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; CHECK-NEXT: [[result:%.*]] = select i1 %0, i32 %c, i32 %d
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; CHECK-NEXT: ret i32 [[result]]
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2008-11-16 04:25:26 +00:00
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}
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2008-10-30 20:40:10 +00:00
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define i32 @par(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
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entry:
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%0 = icmp slt i32 %a, %b
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%iftmp.1.0 = select i1 %0, i32 -1, i32 0
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%1 = and i32 %iftmp.1.0, %c
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%not = xor i32 %iftmp.1.0, -1
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%2 = and i32 %not, %d
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%3 = or i32 %1, %2
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ret i32 %3
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2010-01-24 00:09:49 +00:00
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; CHECK: %0 = icmp slt i32 %a, %b
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2013-02-16 23:41:36 +00:00
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; CHECK-NEXT: [[result:%.*]] = select i1 %0, i32 %c, i32 %d
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; CHECK-NEXT: ret i32 [[result]]
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2008-10-30 20:40:10 +00:00
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}
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