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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/ilogb.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
define i32 @ilogbf_const1() {
; CHECK-LABEL: define i32 @ilogbf_const1() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float 7.000000e+00)
; CHECK-NEXT: ret i32 2
;
%r = call i32 @ilogbf(float 7.000000e+00)
ret i32 %r
}
define i32 @ilogb_const1() {
; CHECK-LABEL: define i32 @ilogb_const1() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double -7.000000e+00)
; CHECK-NEXT: ret i32 2
;
%r = call i32 @ilogb(double -7.000000e+00)
ret i32 %r
}
define i32 @ilogbf_const2() {
; CHECK-LABEL: define i32 @ilogbf_const2() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float 5.000000e-01)
; CHECK-NEXT: ret i32 -1
;
%r = call i32 @ilogbf(float 5.000000e-01)
ret i32 %r
}
define i32 @ilogb_const2() {
; CHECK-LABEL: define i32 @ilogb_const2() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double -5.000000e-01)
; CHECK-NEXT: ret i32 -1
;
%r = call i32 @ilogb(double -5.000000e-01)
ret i32 %r
}
define i32 @ilogbf_zero() {
; CHECK-LABEL: define i32 @ilogbf_zero() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float 0.000000e+00)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0.000000e+00)
ret i32 %r
}
define i32 @ilogb_zero() {
; CHECK-LABEL: define i32 @ilogb_zero() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double 0.000000e+00)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0.000000e+00)
ret i32 %r
}
define i32 @ilogbf_neg_zero() {
; CHECK-LABEL: define i32 @ilogbf_neg_zero() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float -0.000000e+00)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float -0.000000e+00)
ret i32 %r
}
define i32 @ilogb_neg_zero() {
; CHECK-LABEL: define i32 @ilogb_neg_zero() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double -0.000000e+00)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double -0.000000e+00)
ret i32 %r
}
define i32 @ilogbf_inf() {
; CHECK-LABEL: define i32 @ilogbf_inf() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float +inf)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0x7FF0000000000000)
ret i32 %r
}
define i32 @ilogb_inf() {
; CHECK-LABEL: define i32 @ilogb_inf() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double +inf)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0x7FF0000000000000)
ret i32 %r
}
define i32 @ilogbf_nan() {
; CHECK-LABEL: define i32 @ilogbf_nan() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float +qnan)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0x7FF8000000000000)
ret i32 %r
}
define i32 @ilogb_nan() {
; CHECK-LABEL: define i32 @ilogb_nan() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double +qnan)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0x7FF8000000000000)
ret i32 %r
}
define i32 @ilogbf_zero_readnone() {
; CHECK-LABEL: define i32 @ilogbf_zero_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float 0.000000e+00) #[[ATTR0:[0-9]+]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0.000000e+00) readnone
ret i32 %r
}
define i32 @ilogb_zero_readnone() {
; CHECK-LABEL: define i32 @ilogb_zero_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double 0.000000e+00) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0.000000e+00) readnone
ret i32 %r
}
define i32 @ilogbf_neg_zero_readnone() {
; CHECK-LABEL: define i32 @ilogbf_neg_zero_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float -0.000000e+00) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float -0.000000e+00) readnone
ret i32 %r
}
define i32 @ilogb_neg_zero_readnone() {
; CHECK-LABEL: define i32 @ilogb_neg_zero_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double -0.000000e+00) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double -0.000000e+00) readnone
ret i32 %r
}
define i32 @ilogbf_inf_readnone() {
; CHECK-LABEL: define i32 @ilogbf_inf_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float +inf) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0x7FF0000000000000) readnone
ret i32 %r
}
define i32 @ilogb_inf_readnone() {
; CHECK-LABEL: define i32 @ilogb_inf_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double +inf) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0x7FF0000000000000) readnone
ret i32 %r
}
define i32 @ilogbf_nan_readnone() {
; CHECK-LABEL: define i32 @ilogbf_nan_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float +qnan) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float 0x7FF8000000000000) readnone
ret i32 %r
}
define i32 @ilogb_nan_readnone() {
; CHECK-LABEL: define i32 @ilogb_nan_readnone() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double +qnan) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double 0x7FF8000000000000) readnone
ret i32 %r
}
define i32 @ilogbf_poison() {
; CHECK-LABEL: define i32 @ilogbf_poison() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogbf(float poison)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogbf(float poison)
ret i32 %r
}
define i32 @ilogb_poison() {
; CHECK-LABEL: define i32 @ilogb_poison() {
; CHECK-NEXT: [[R:%.*]] = call i32 @ilogb(double poison)
; CHECK-NEXT: ret i32 [[R]]
;
%r = call i32 @ilogb(double poison)
ret i32 %r
}
declare i32 @ilogbf(float)
declare i32 @ilogb(double)
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