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59 lines
1.2 KiB
59 lines
1.2 KiB
4 months ago
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
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; These tests would be improved by 'movs r0, #0' being rematerialized below the
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; test as 'mov.w r0, #0'.
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; 0x000000bb = 187
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define i1 @f1(i32 %a) {
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; CHECK-LABEL: f1:
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; CHECK: cmp {{.*}}, #187
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%tmp = icmp ne i32 %a, 187
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ret i1 %tmp
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}
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; 0x00aa00aa = 11141290
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define i1 @f2(i32 %a) {
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; CHECK-LABEL: f2:
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; CHECK: cmp.w {{.*}}, #11141290
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%tmp = icmp eq i32 %a, 11141290
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ret i1 %tmp
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}
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; 0xcc00cc00 = 3422604288
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define i1 @f3(i32 %a) {
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; CHECK-LABEL: f3:
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; CHECK: cmp.w {{.*}}, #-872363008
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%tmp = icmp ne i32 %a, 3422604288
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ret i1 %tmp
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}
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; 0xdddddddd = 3722304989
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define i1 @f4(i32 %a) {
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; CHECK-LABEL: f4:
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; CHECK: cmp.w {{.*}}, #-572662307
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%tmp = icmp ne i32 %a, 3722304989
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ret i1 %tmp
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}
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; 0x00110000 = 1114112
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define i1 @f5(i32 %a) {
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; CHECK-LABEL: f5:
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; CHECK: cmp.w {{.*}}, #1114112
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%tmp = icmp eq i32 %a, 1114112
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ret i1 %tmp
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}
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; Check that we don't do an invalid (a > b) --> !(a < b + 1) transform.
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;
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; CHECK-LABEL: f6:
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; CHECK-NOT: cmp.w {{.*}}, #-2147483648
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; CHECK: bx lr
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define i32 @f6(i32 %a) {
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%tmp = icmp sgt i32 %a, 2147483647
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br i1 %tmp, label %true, label %false
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true:
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ret i32 2
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false:
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ret i32 0
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}
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