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|
; RUN: opt < %s -instcombine -S | FileCheck %s
@G16 = internal constant [10 x i16] [i16 35, i16 82, i16 69, i16 81, i16 85,
i16 73, i16 82, i16 69, i16 68, i16 0]
@GD = internal constant [6 x double]
[double -10.0, double 1.0, double 4.0, double 2.0, double -20.0, double -40.0]
define i1 @test1(i32 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i32 %X
%Q = load i16* %P
%R = icmp eq i16 %Q, 0
ret i1 %R
; CHECK: @test1
; CHECK-NEXT: %R = icmp eq i32 %X, 9
; CHECK-NEXT: ret i1 %R
}
define i1 @test2(i32 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i32 %X
%Q = load i16* %P
%R = icmp slt i16 %Q, 85
ret i1 %R
; CHECK: @test2
; CHECK-NEXT: %R = icmp ne i32 %X, 4
; CHECK-NEXT: ret i1 %R
}
define i1 @test3(i32 %X) {
%P = getelementptr inbounds [6 x double]* @GD, i32 0, i32 %X
%Q = load double* %P
%R = fcmp oeq double %Q, 1.0
ret i1 %R
; CHECK: @test3
; CHECK-NEXT: %R = icmp eq i32 %X, 1
; CHECK-NEXT: ret i1 %R
}
define i1 @test4(i32 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i32 %X
%Q = load i16* %P
%R = icmp sle i16 %Q, 73
ret i1 %R
; CHECK: @test4
; CHECK-NEXT: lshr i32 933, %X
; CHECK-NEXT: and i32 {{.*}}, 1
; CHECK-NEXT: %R = icmp ne i32 {{.*}}, 0
; CHECK-NEXT: ret i1 %R
}
define i1 @test4_i16(i16 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i16 %X
%Q = load i16* %P
%R = icmp sle i16 %Q, 73
ret i1 %R
; CHECK: @test4_i16
; CHECK-NEXT: lshr i16 933, %X
; CHECK-NEXT: and i16 {{.*}}, 1
; CHECK-NEXT: %R = icmp ne i16 {{.*}}, 0
; CHECK-NEXT: ret i1 %R
}
define i1 @test5(i32 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i32 %X
%Q = load i16* %P
%R = icmp eq i16 %Q, 69
ret i1 %R
; CHECK: @test5
; CHECK-NEXT: icmp eq i32 %X, 2
; CHECK-NEXT: icmp eq i32 %X, 7
; CHECK-NEXT: %R = or i1
; CHECK-NEXT: ret i1 %R
}
define i1 @test6(i32 %X) {
%P = getelementptr inbounds [6 x double]* @GD, i32 0, i32 %X
%Q = load double* %P
%R = fcmp ogt double %Q, 0.0
ret i1 %R
; CHECK: @test6
; CHECK-NEXT: add i32 %X, -1
; CHECK-NEXT: %R = icmp ult i32 {{.*}}, 3
; CHECK-NEXT: ret i1 %R
}
define i1 @test7(i32 %X) {
%P = getelementptr inbounds [6 x double]* @GD, i32 0, i32 %X
%Q = load double* %P
%R = fcmp olt double %Q, 0.0
ret i1 %R
; CHECK: @test7
; CHECK-NEXT: add i32 %X, -1
; CHECK-NEXT: %R = icmp ugt i32 {{.*}}, 2
; CHECK-NEXT: ret i1 %R
}
define i1 @test8(i32 %X) {
%P = getelementptr inbounds [10 x i16]* @G16, i32 0, i32 %X
%Q = load i16* %P
%R = and i16 %Q, 3
%S = icmp eq i16 %R, 0
ret i1 %S
; CHECK: @test8
; CHECK-NEXT: add i32 %X, -8
; CHECK-NEXT: icmp ult i32 {{.*}}, 2
; CHECK-NEXT: ret i1
}
@GA = internal constant [4 x { i32, i32 } ] [
{ i32, i32 } { i32 1, i32 0 },
{ i32, i32 } { i32 2, i32 1 },
{ i32, i32 } { i32 3, i32 1 },
{ i32, i32 } { i32 4, i32 0 }
]
define i1 @test9(i32 %X) {
%P = getelementptr inbounds [4 x { i32, i32 } ]* @GA, i32 0, i32 %X, i32 1
%Q = load i32* %P
%R = icmp eq i32 %Q, 1
ret i1 %R
; CHECK: @test9
; CHECK-NEXT: add i32 %X, -1
; CHECK-NEXT: icmp ult i32 {{.*}}, 2
; CHECK-NEXT: ret i1
}
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