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[InstSimplify] Add tests for reinterpret load of floats (NFC) 

Add tests for currently unsupported float types.
This commit is contained in:
Nikita Popov 2022-01-21 09:20:54 +01:00
parent 7950010e49
commit 3f9d1f516e
1 changed files with 39 additions and 3 deletions
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42
llvm/test/Transforms/InstSimplify/ConstProp/loads.ll
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@ -100,17 +100,53 @@ define double @test8() {
; i128 load.
define i128 @test9() {
; LE-LABEL: @test9(
define i128 @test_i128() {
; LE-LABEL: @test_i128(
; LE-NEXT: ret i128 2071796475790618158476296315
;
; BE-LABEL: @test9(
; BE-LABEL: @test_i128(
; BE-NEXT: ret i128 2268949521066387161080
;
%r = load i128, i128* bitcast({i64, i64}* @g3 to i128*)
ret i128 %r
}
define fp128 @test_fp128() {
; CHECK-LABEL: @test_fp128(
; CHECK-NEXT: [[R:%.*]] = load fp128, fp128* bitcast ({ i64, i64 }* @g3 to fp128*), align 16
; CHECK-NEXT: ret fp128 [[R]]
;
%r = load fp128, fp128* bitcast({i64, i64}* @g3 to fp128*)
ret fp128 %r
}
define ppc_fp128 @test_ppc_fp128() {
; CHECK-LABEL: @test_ppc_fp128(
; CHECK-NEXT: [[R:%.*]] = load ppc_fp128, ppc_fp128* bitcast ({ i64, i64 }* @g3 to ppc_fp128*), align 16
; CHECK-NEXT: ret ppc_fp128 [[R]]
;
%r = load ppc_fp128, ppc_fp128* bitcast({i64, i64}* @g3 to ppc_fp128*)
ret ppc_fp128 %r
}
define x86_fp80 @test_x86_fp80() {
; CHECK-LABEL: @test_x86_fp80(
; CHECK-NEXT: [[R:%.*]] = load x86_fp80, x86_fp80* bitcast ({ i64, i64 }* @g3 to x86_fp80*), align 16
; CHECK-NEXT: ret x86_fp80 [[R]]
;
%r = load x86_fp80, x86_fp80* bitcast({i64, i64}* @g3 to x86_fp80*)
ret x86_fp80 %r
}
define bfloat @test_bfloat() {
; CHECK-LABEL: @test_bfloat(
; CHECK-NEXT: [[R:%.*]] = load bfloat, bfloat* bitcast ({ i64, i64 }* @g3 to bfloat*), align 2
; CHECK-NEXT: ret bfloat [[R]]
;
%r = load bfloat, bfloat* bitcast({i64, i64}* @g3 to bfloat*)
ret bfloat %r
}
; vector load.
define <2 x i64> @test10() {
; CHECK-LABEL: @test10(